Edades de la luz, Las (Solaris ficción) (Spanish Edition)

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Find the kindle editions of all your favourite books here, at Amazon India. From the popular Indian writings to the classic world literature, find all that you are looking for. And, the best part is that kindle book editions cost you much lesser than their paperback or hardcover counterparts.

So, keep adding to your collection without burning a hole in your pocket. Search results of 17 results for Kindle Store: Available for download now. MacLeod and Colin Mace. Available for immediate download. In contrast to birds released in , none of the 25 parrots released in suffered early postrelease mortality i. Two adjustments to prerelease protocols increased exercise and reduced blood sampling made in may have contributed to differences in mobility and survival between years.

The reduction of early postrelease mortality in was encouraging, as was the prospect for higher first-year survival e. Only one death was attributed to the immediate impact of the hurricane. Loss of foraging resources was likely a major contributor to ensuing mortality. Birds increased their mobility, presumably in search of food. This study underscores the value of standardized prerelease protocols, and of estimating survival and testing for factors that might influence it.

Inferences from such tests will provide the best basis to make adjustments to a release program. This study sought to evaluate the incidence of cardiorenal syndrome CRS type 1 in a coronary care unit and its association with hospital mortality within 30 days of admission, as well as other epidemiological characteristics.

The medical records of all the patients who were hospitalized with the diagnosis of acute heart failure in a 4-year period were reviewed. The incidence of CRS type 1 was There was a higher frequency of CRS type 1 in those patients who were admitted with the diagnosis of cardiogenic shock adjusted RR 2.

The incidence of CRS type 1 in the coronary care unit found in our study is similar to those found in foreign studies. The history of stroke and the higher values of hemoglobin were associated with a higher incidence of cardiorenal syndrome type 1. Patients with CRS type 1 had a higher hospital mortality within 30 days of admission.

In this year there was a transition between the software used to record, store and locate earthquakes. During the first three months of , we used Earthworm http: All the events for and shown in this work were rechecked by the authors. We located earthquakes in and around Costa Rica and regional and distant seismic events were recorded see Figure 1. A new Nototriton Caudata: The highlands of northeastern Honduras remain under-characterized in terms of biological diversity, as exemplified by the regularity of new amphibian and reptile taxa discoveries.

This new taxon, Nototriton mime sp. A total of holotypes and one neotype are deposited in the MNRJ. Type material for ten nominal taxa described as being deposited in the MNRJ was not located; the probable reasons are discussed. Some previously published erroneous information about types in the MNRJ is rectified. A total of 37 type specimens are illustrated. The tissue bank at the Instituto Nacional de Investigaciones Nucleares: Tissue banking is a complex operation concerned with the organisation and coordination of all the steps, that is, from donor selection up to storage and distribution of the final products for therapeutic, diagnostic, instruction and research purposes.

An appropriate quality framework should be established in order to cover all the specific methodology as well as the general aspects of quality management, such as research and development, design, instruction and training, specific documentation, traceability, corrective action, client satisfaction, and the like. Such a framework can be obtained by developing a quality management system QMS in accordance with a suitable international standard: We analysed the trend of the ownership of each IEN variable and the distribution of the households' scores.

We calculated the correlation coefficients of each variable separately with the IEN score and the household income. We also evaluated how the changes of the score distribution over time affected the validity of the published reference cut-points. We used data from consortium surveys conducted every two years from to in the city of Pelotas, Brazil.

An increase in the educational level of household heads and in the ownership of all IEN assets, except radio and telephone, was observed in the study period. In general, the correlation of the assets with the IEN scores decreased over time. There was an increase in the score, with a consequent increase in the quintiles cut-points, but the distance between these cut-points had no significant variation.

Thus, the reference cut-points for Pelotas, quickly became outdated. Some assets showed greatly reduction on its importance for the indicator, and the reference cut-points became obsolete very quickly. It is essential for a standardized wealth or asset index with research purposes to be updated frequently, especially the cut-points of reference distribution.

The influence of climate change on wine production - the case of the Touriga Nacional grape variety Quinta dos Termos, Portugal. The regional and local climate, heavily influenced by global climate change, has strong implications for agriculture. Wine production which has specific characteristics in terms of climate and soil is undoubtedly one of the economic activities strongly influenced by climate change.

Quinta dos Termos located in Beira Interior Belmonte, Portugal is the largest wine producer in the DOC Beira Interior region, producing premium to hiper premium wines of excellence, marketed at both national and international levels, and cultivates the vineyards according to the rules of Integrated Crop Management.

Moreover, grapes are free from herbicides, pesticides or any other chemicals that can be harmful to the environment and health. These factors have contributed to the socio-economic development of the region, creating wealth, favoring employment and promoting tourism. These factors favor unique conditions for the cultivation of Touriga Nacional grape variety, which is recognized by its extremely complex color and aroma, which allows the production of wines with great balance and a good ageing potential. Touriga Nacional , a red grape variety of Portuguese origin with high qualitative excellence and reputation and much appreciated worldwide, is versatile to several types of soils and resistant to high thermal amplitudes.

Nevertheless, the climatic changes that has been gradually verified, the type of crop management, and in particular the reputation of Touriga Nacional grape variety, may be compromised in the long term, given that these characteristics are strongly influenced by the climate and soil. Aware of that, Quinta dos Termos has been performing a monitoring of the vineyards in terms of pedological treatment.

We report 56 cases of ovary Krukenberg tumor at Instituto Nacional de Enfermedades NeoplAsicas en relation to microscopic diagnosis, primary origin and clinicopathologic correlation. The patients ranged from 18 to 84 years. The most frecuent primary tumor was stomach 33 Abdominal swelling and pain usually accounted for the clinical presentation.

Ascitis, abnormal vaginal bleeding. It is important the correct diagnosis of Krukenberg tumor. We recommended frozen section. The prognosis is very poor. Faunistic Catalog of the Caddisflies Insecta: The Atlantic Forest is considered one of the world's biological diversity hotspots, and is increasingly threatened by the rapid destruction and fragmentation of its natural areas. The caddisflies Trichoptera of Itatiaia massif, an Atlantic Forest highland area, are inventoried and cataloged here. Leptoceridae, Hydropsychidae, and Philopotamidae are the families most represented. The high species richness, as well as the remarkable patterns of species distribution, may be related to the characteristics of Mantiqueira mountain range.

Additionally, ambient dose equivalent was measured at a corridor outside the hospitalization room for patients treated with Cs brachytherapy. Ambient dose equivalent rate obtained for the Cs brachytherapy corridor is equal to This paper explains the educational changes in the Water Resources Engineering program offered by the Universidad Nacional del Litoral in Santa Fe, Argentina, for the last 20 years at the undergraduate level. The need for modernizing the engineering teaching program occurred due to changes in the social system in which the concepts of development…. This document is an English-language abstract approximately words of a guide based on the results of experiments conducted by the Instituto Nacional de Pedagogia in its pilot school and other schools in Mexico, D.

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The foreword points out that there are two aspects of language teaching in elementary schools--the first year class to read…. The following topics are covered: Both universities operate a system of undergraduate subject credits leading to a degree, but the length of the courses of the two systems differ. El consentimiento informado es un proceso, en el que una persona acepta participar en una investigation, conociendo los riesgos, beneficios, consecuencias o problemas que se puedan presenter durante el desarrollo de la misma.

Se presentan los resultados de una extensa revision de les elementos del PCI, desde sus cornponentes hasta su fundamento etico y legal, incluyendo los mites y realidades que existen sobre el formato de consentimiento informado come recurso legal de protection. El consentimiento informado no es un formato establecido que los investigadores repliquen, se trata de que la praxis del PCI sea una tarea cotidiana dentro de la investigation con seres humanos, como comunicaciOn deliberative y critica, responsable y comprometida entre dos agentes morales, investigador-investigado.

There are no records on the prevalence of infection by HCV in Mexican population. The central area of Mexico is a highly dense demographic zone and is the influence area of the second blood bank in Latin America in terms of affluence. We applied a quimiolumiscence assay as a screening test. A recombinant immunoassay RIBA and a qualitative polymerase chain reaction PCR were performed as confirmatory tests and to detect viremia, respectively.

The overall prevalence of HCV infection was 0. The prevalence of accepted donors 0. A higher prevalence of genotype 2 in asymptomatic individuals contrasts with previous studies with a selected population where genotype 1 prevailed. To address the problem of overweight and obesity in Mexico, in the Acuerdo Nacional para la Salud Alimentaria was published. At school level, food service providers were considered essential to comply with certain commitments. The goal of this intervention was to train school food service providers in school eating establishments SEE as to the criteria in the general guidelines for the sale and distribution of food in schools of basic education.

Based on an initial diagnosis, a class-workshop of 5 sessions was designed. Knowledge regarding food was evaluated at the beginning and end of the sessions. The percentage of adherence regarding general hygiene and food preparation and distribution was obtained at the beginning, one month, and two months post-intervention.

School food service providers had little knowledge on the objectives of the Acuerdo in food groups and combination, as well as reading labels; there were significant changes in the last two after intervention. The preparation and distribution of food did not show significant changes. School food service providers acquired knowledge about the guidelines that a SEE comply with, without putting them into practice, given the economic impact that it implies.

Annular pancreas AP is a rare congenital anomaly due to malrotation of the pancreatic ventral yolk. Although it has been described in young and middle age adults it predominates in children. Its clinical picture is that of duodenal obstruction or acute pancreatitis episodes. Three were females and three were less than twenty years old. In one case the diagnosis was established at birth and the operation done in another hospital. In another patient a diagnosis of pyloric hypertrophy was made and a pyloroplasty was performed.

This young man was admitted in our hospital because of abdominal pain and hyperamylasemia. An eighty four year old woman was seen due to abdominal pain, nausea and vomit. In all cases the diagnosis of AP was carried out with radiological studies and confirmed by laparotomy.

Surgical procedures consisted of duodenal-duodenal anastomosis in two, sphincteroplasty in one, and gastrojejunoanastomosis in the other. Two patients are asymptomatic, one died in the postoperative period, and one was lost for follow up. These four cases represent all the experience of our institute and correspond to one case in 36, admissions. Health as science and the biological body as an artifact: A total of news stories addressing health-related topics were analyzed, half of which addressed scientific research, technological innovation and hospital care, and were shown to represent a doctor-centered discourse.

The article discusses two aspects portrayed by these news stories that characterize the biological body as an artifact: The study also questions the nature-culture hybridization present in biotechnological objects. ERCP combines endoscopic and radiologic techniques in order to obtain high quality opacification of pancreatic and biliary ducts.

The most frequent indication for ERCP was to establish the differential diagnosis for jaundice; biliary stones in the common bile duct was the most frequent diagnosis, followed by normal biliary ducts. ERCP complications were detected in 5. Mortality attributable to the procedure was 0. We conclude that ERCP is highly sensitive and specific in diagnosing bilio-pancreatic-duodenal disease. Our results are comparable to other's experiences published throughout the world. Alcoholism and the Hispanic: Written in Spanish and English, the proceedings include 6 papers and the recommendations presented at the conference on alcoholism and alcohol-related problems among Hispanics attended by approximately participants, representing 29 states, Puerto Rico, and Mexico.

Action Through Unity" discusses the need for unity…. This paper present a brief overview of some of those strategic planning models and their application and concludes with a discussion of the lessons learned and challenges than remain. Comunicado de prensa de la EPA: A new species of Allobates Anura: We describe the fourth species of nurse-frog genus Allobates occurring in the southeastern Brazilian Amazonia.

Snout-to-vent length ranges between The species is distinguished by the light brown background color of dorsum, with irregular dark brown blotches appearing from eye level to the urostyle region. In life, ventral surfaces of males are golden yellow on throat and chest, and white to yellow on abdomen. Ventral surfaces of females are predominantly white, except for light yellow on chin. The dark brown lateral band has a diffuse lower edge ventrolaterally. Dorsal surface of thigh is cream, with a longitudinal dark brown band extending dorsally from vent to knee.

Tail musculature of tadpoles is robust, bifurcating dorsally over the body and reaching about two-thirds of the body length. Advertisement calls consist predominantly of continuous pairs of notes, but other note arrangements are also emitted. Notes have ascending frequency modulation and average peak frequency ranging between 5. First and second notes of the same note pair are similar in amplitude, duration and frequency spectrum. Successive note pairs are split by approximately regular silent intervals 0.

The species lays its eggs inside rolled or folded dead leaves on the leaf litter. Egg capsules and jelly nests are opaque. Differential physiological response of the grapevine varieties Touriga Nacional and Trincadeira to combined heat, drought and light stresses. Worldwide, extensive agricultural losses are attributed to drought, often in combination with heat in Mediterranean climate regions, where grapevine traditionally grows.

The available scenarios for climate change suggest increases in aridity in these regions. Under natural conditions plants are affected by a combination of stresses, triggering synergistic or antagonistic physiological, metabolic or transcriptomic responses unique to the combination. However the study of such stresses in a controlled environment can elucidate important mechanisms by allowing the separation of the effects of individual stresses. Photosynthesis, water status, contents of H2 O2 , abscisic acid and metabolites of the ascorbate-glutathione cycle were measured in the leaves. Common and distinct response features were identified in the different stress combinations.

Abscisic acid may be implicated in grapevine osmotic responses since it is correlated with tolerance parameters, especially in combined stresses involving drought. Overall, the responses to drought-including treatments were clearly distinct to those without drought. From the specific behaviours of the varieties, it can be concluded that TN shows a higher capacity for heat dissipation and for withstanding high light intensities, indicating better adjustment to warm conditions, provided that water supply is plentiful.

The superficial mycoses are very common infectious diseases and therefore are a frequent reason for medical consultation. The aim of this study was to determine the diagnostic frequency of superficial mycoses in the Mycology Department of the Instituto Nacional de Higiene "Rafael Rangel" during 14 years A retrospective cross-sectional study was performed to review the mycological records of patients with presumptive diagnosis of superficial mycosis. Nails, hairs and epidermal scales were the processed samples.

The identification of fungi was performed by macro and microscopic observation of colonies and biochemical and physiological tests, as required of the isolated agent. For the investigation of Malassezia spp. The most frequently isolated dermatophyte was Trichophyton rubrum Complex The most frequent ringworms Were: Candida parapsilosis complex The identification of the etiological agent is essential to guide appropriate treatment.

This study constitutes an important contribution to the knowledge of the epidemiology of superficial mycoses in our country. On September , Mexico experienced two significant inslab earthquakes with only 11 days apart from each other. Both caused severe damage in the epicentral states: In this work, we present the various aspects of the performance of the SSN and the results obtained real-time and the days after.

The first earthquake occurred on 8 September within the Gulf of Tehuantepec. The SSN estimated its magnitude as Mww8. Forty days later, it has had more than aftershocks with magnitudes larger than 2. The mainshock seemed to have triggered seismicity in central Mexico, an effect previously observed by Singh et al. Barely 11 days had passed since this major quake. The SSN was in the middle of an intense aftershock sequence and conducting several outreach activities due to the anniversary of the 19 September Mw8.

SSN located its epicenter at the border of the states of Morelos and Puebla and estimated its magnitude as Mww7. In this case, SSN identified only eight aftershocks, which was a similar behavior for previous inslab earthquakes in the region. Important aspects that these events have highlighted are the media and social network responses. Immediately after the first quake, SSN faced misinformation due to viral videos and social media messages predicting massive earthquakes and their relation to a solar storm that took place days before. Outreach to the public and the media became essential.

Este documento-El Volumen II: A reevaluation of the specimens of Mesocoelium Trematoda: Species of Mesocoelium Odhner, Digenea are generally similar and are often difficult to distinguish. Upon reevaluation of these specimens it was determined that 27, could not be assigned to species level and 15 could only be assigned to body type carli and leiperi because of the poor conditions of preservation of the material. The remaining 15 specimens were of sufficient quality to be identified to species and were found to represent M.

Mesocoelium danforthi is recorded for the first time in the Mexican collection. The presence of M. Finally, in future studies, we propose to improve the quality of specimens by fixing them considering the modifications to this process proposed herein, and compliment these morphological studies with molecular studies.

Its main goal was to disseminate information on science, history, and art among a wide-ranging Brazilian public. The articles were written by the intellectuals of the day, many of whom were scientists at the Museu Nacional. The Revista also published translations of excerpts by a number of travelers. Every issue was published at a low cost, with a significant number of copies.

The journal was touted as the initiative of a renewed Republic, part of a broader strategy of inaugurating new relations between government and a population to be educated. It defined itself as "a spiritual milestone in the Brazilian nationality" in tune with the ideal of a State whose educational initiatives were meant to constitute a people and a nation. This work looks into the meanings of nursing from the point of view of the students in an undergraduate nursing degree program. A content analysis was then undertaken and the most relevant meanings in relation to four themes were selected: Multiple and diverse ways of defining nursing were uncovered.

Utilizing some conceptual developments from the sociology of the professions, the meanings were organized into four conceptualizations that represent ways of understanding nursing: The conclusions reached indicate the need to broaden the debate regarding the types of nurses that are being trained. Two groups of the species are discussed, the quinquivittata group that include specimens with an apparently bifid retrolateral apophysis in the cymbium of the male palp and the arietina group, here proposed, that include those specimens with an entire cymbium, with no retrolateral apophysis, in the male palp.

Although these species were abundant inside caves, the examined specimens do not have troglomorphic characteristics and can be classified as edaphic troglophile species, capable of completing its life cycle in soil, shallow subterranean habitats, or caves. The existence of the celestial bodies is known due to the light they emit. But light is a small part of a bigger phenomenon known as electromagnetic radiation. The representation of all kinds of electromagnetic radiation as a function of its frequency is called the electromagnetic spectrum.

If we only studied the visible part of the spectrum, we would ignore a great deal of information. The celestial bodies emit radiation in all the regions of the electromagnetic spectrum, with very different intensity. To capture these data, astronomers design new types of telescopes that capture radiation at different wavelengths, among them the radiotelescopes that, as the name indicates, detect radio waves. The radiotelescope can be compared to a regular radio set.

A radio station sends information by means of radio waves. The radio set captures these waves by means of its antenna, processes it and reproduces the information music, etc. In the field of radioastronomy, interesting observations can be carried out: La presencia de los cuerpos celestes se conoce gracias a que emiten luz. El radiotelescopio puede compararse a un aparato.

La Conspiracion Alejandrina (Solaris Ficcion) PDF Download - Azaryah

Anorexia-cachexia is a frequent syndrome among cancer patients, specially in late stages: The co-existence of functional or structural digestive abnormalities is frequently observed among cancer patients; this is a consequence of the tumor growth and of those systemic phenomena related to metabolism, which are affected by the relationship tumor-host specific to anorexia- cachexia. GI symptoms associated with anorexia-cachexia were: Anorexia and cachexia are among the most devastating and frequent symptoms in late-stage cancer patients and they are also associated with GI symptoms affecting the physical, psychosocial and existential aspects of the patient's life.

Data from this research validate the importance of an early nutrition support in palliative patients so that they can achieve a better quality of life. The problem of finding an adequate organization for the distance teaching subsystem in the Open University of Venezuela Universidad Nacional Abierta is analyzed.

Problems facing this subsystem concern: Its guiding motto says: The Museum has a Library divided in three sections: Classical, Contemporary and Virtual. It counts with a specialized Information and Documentation Centre. Courses about different topics are given as well as the course of History of Medicine for Grade and post grade careers, completing with humanistic contents, the students education exclusively scientific and technical.

For high school and Bachelor students there is a program called: These strategies are arranged to fit the programmes and levels of formal education for educational institutions. The heritage of the Museum consists of more than a thousand apparatus and tools that served the research and instruction at the different professorships of the School of Medical Sciences. Many of them obsolete they allow us to understand the evolution of science and technique, within the broad field of Health Science, since the creation of the School of Medical Sciences in A retrospective analysis is performed in three successive periods between the years and , in order to evaluate the impact of the implementation of three national guidelines for the prevention of the vertical transmission of HIV.

Significant statistical differences were found in the percentage of HIV cases in the children exposed to the virus between the three periods: Changes made in national guidelines have produced a positive impact in the decrease of HIV infected children in the Instituto Nacional Materno Perinatal in Peru. At that time, Dr. This institute is a reference hospital that provides medical attention to a very high number of adult neurological patients every year approximately 6, new patients per year besides emergency cases.

From a total number of 2, CNST cases, we found that the most frequent tumors were those affecting the neuroepithelial tissue In both, male and female patients the higher frequency of CNST was found in patients whose age ranged from 25 to 44 years, and CNST were slightly more frequent in women than in men. Most of the CNST patients lived in the southern districts of Mexico City, it could be because of the great number of people living in the southern districts of the city, or perhaps due to the presence of certain yet unidentified environmental carcinogenic substance in this area.

Since CNST are among the more frequent malignant neoplasms, it is necessary to improve the registration system to include frequency, prevalence, incidence and mortality of these diseases in Mexico, in order to plan health policies like in developed countries. The objective of this study was to estimate the direct costs associated with the diagnosis and treatment of neurocysticercosis NCC during pre-hospitalization, hospitalization, and post-hospitalization periods for NCC patients treated at the Instituto Nacional de Neurologia y Neurocirugia INNN in Mexico City, Mexico.

Information on clinical manifestations, diagnostic tests, hospitalizations, surgical procedures, prescription medication, and other treatments was collected via medical chart reviews. Uncertain values for costs and frequency of treatments were imputed using bootstrap techniques. NCC results in a significant economic burden for patients requiring hospitalization, with this burden continuing years post-hospitalization. The population consisted of every person accompanying external users to outpatient visits, inpatient visits or emergency treatment in the years , and A sample of people was obtained, which revealed a decreasing trend in the levels of dissatisfaction with outpatient visits, and an increased dissatisfaction in the medical capabilities dimension for hospitalization and emergency services.

In addition, a dissatisfaction index lower than 0. In contrast, the highest dissatisfaction indexes were registered in the hygiene dimension for 0. The dimensions showing an increase in the dissatisfaction index were tangible aspects, hygiene and others for hospitalization and emergency services. On the other hand, the medical capabilities dimension for outpatient visits showed a decrease in the level of dissatisfaction over the evaluated period.

The development of scientific health research requires a sustained and articulated research system that is consistent with the research priorities, as well as both internal and external funding, and availability of competent human resources. The Mining Canon, a constitutional right, has been partly used to foster applied scientific research in public universities PU. As part of these activities, a technical team was created to provide technical assistance to PU for research development using Mining Canon funds by making local adjustments to research protocols promoted by the INS and assumed by the professors-researchers at the Universities.

This article aims at describing the reality of research at Peruvian public universities that have access to Mining Canon funds, as well as to elaborate on the work the INS is carrying out in order to strengthen research capabilities, starting with the development of research proposals that could potentially be funded by the Mining Canon. A revision of the clinical-pathological records indentified and a new reading of the pathology slides of the cases found were performed.

EP was primarily found on male patients In one case, EP was located on the gluteal region, and showed an unusually invasive behavior and rectal involvement. We conclude that EP is a rather uncommon entity in Peru.

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Its most common location is on the foot and it affects mostly male patients for the most part. Comparison of clinical and autopsy findings of the cases studied between and , were made at the Department of Pathology of the Instituto Nacional de la Nutricion Salvador Zubiran in Mexico City.

The goal was to determine the accuracy of clinical diagnoses. The total number of cases was A decreasing number of autopsies as a function of time was observed. Thus, in , In autopsies There were overdiagnoses with therapeutic implications, 38 in the main diagnoses and in the causes of death. Overdiagnoses and underdiagnoses were most common in infectious diseases, followed by respiratory and digestive diseases, while endocrinologic and rheumatologic diseases had the highest diagnostic concordance. It was also found that the diagnostic accuracy did not improve with time of hospitalization.

A brief analyses of the probable causes of the decrease in the number of autopsies is made. It is concluded that, in spite of the great advances in clinical and technological knowledge, the high frequency of disagreements between clinical and anatomical diagnoses, indicate that autopsy continues playing a key role in the quality control of medical practice. This justifies by itself the performance of necropsies. This interest led to the present survey which aims to evaluate the patient's global satisfaction and to identify specific problems susceptible of improvement.

One hundred and seventy-one patients or relatives attending eight different services of the Institute were interviewed. Opinions about the following aspects were explored by means of service-specific questionnaires: Results of the survey show a high level of satisfaction with the services provided, i. However, and in agreement with other reports, this high level of satisfaction does not necessarily reflect an absence of problems, i. Continuation of this kind of surveys in our setting leads not only to the identification of problems, but also to the evaluation of the impact that resulting measures may have on the patient's satisfaction.

We reviewed all liver biopsy reports from January to December From patient records we obtained the following data: We correlated clinical, biochemical and histological data. From biopsies reviewed we obtained 16 cases of NASH. We found a 7: Median age was 30 years and six patients were obese. Eleven patients had concomitant disease diabetes in seven and nine were using drugs. No significant relation was found between histological type and survival.

The presence of anemia adjusted hazard ratio [aHR]: Cervical cancer in young Peruvians is diagnosed in advanced stages.

Overall survival in each stage is similar to the reported in older patients. The importance of conventional prognosis- related factors was confirmed. Anemia was an important independent prognostic factor requiring further investigations. Instituto Geografico Nacional of Spain. Prehepatic portal hypertension in children can be asymptomatic for many years.

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Once diagnosed, the therapeutic measures pharmacologic, endoscopic, and surgical are conditioned by the specific characteristics of each patient. In Mexico, there are no recorded data on the incidence of the disease and patient characteristics. A cross-sectional, retrolective, descriptive, and observational study was conducted in which all the medical records of the patients with portal hypertension diagnosis were reviewed.

The primary reason for medical consultation was upper digestive tract bleeding with anemia Splenoportography was carried out on 17 of the 32 patients. A total of Initial endoscopy revealed esophageal varices in The varices were ligated in 8 cases, sclerotherapy for esophageal varices was carried out in 5 cases The primary cause of the disease was cavernomatous degeneration of the portal vein; it was predominant in males and the first symptom was variceal bleeding.

First steps of vulagarization of science in the late ninetheen century: Since the founding of the Observatorio Astronomico Nacional de Chapultepec in during the presidential term of General Porfirio Diaz, begins the publication of the Yearbook of the Observatorio Astronomico Nacional de Chapultepec from now on OAN in a period when the positivist paradigm based on will boost science as a means of national progress. The importance of conferences to which he attended started the sharing printed information relating to subjects such as astronomy, meteorology, cartography and geography.

The Yearbook was intended to publish two or three months before the beginning of each year and according to the editor would serve to popularize science, making its contents available to anyone with basic knowledge of geometry or for amateur astronomers. I find that the yearbook was the publication that was released to the observatory in the country and abroad, but was sent to distant places where no one speaks or reads Spanish. The access to the Bulletin was the Mexican intellectual elite grouped into societies, astronomical or meteorological observatories and another wealthy person individually.

The same happened abroad. The collection of data from reports to the Secretaria de Fomento, that was the government agency that funds money destined to different scientific institutions founded during this period were published in the Yearbook, the oficios that sent the OAN over a hundred sites in the world. Far away from populated areas, ELL site acts as a remote site, but it is also responding to discrete events as snow melting, summer cattle breeding on pastures and trekking frequentation. In the long term, these measurements show the mountain ecosystems contribution and geomorphologic influence on the CO2 budget of the air masses crossing a mountain range.

Cultivating " Una Persona Educada: This essay focuses on the need to educate the new "persona educada", a dignified, honorable person with a good measure of social and personal responsibility who also possesses the habits of the mind and heart. To cultivate " una persona educada" requires a newly formed vision of education and pedagogy. Examples of three entrenched agreements that….

After a brief introduction to the topic the paper first gives an overview of Kilivila landscape terms and then presents the inventory of names for villages, wells, island points, reef-channels and gardens on Kaile' una Island, one of the Trobriand Islands in the Milne Bay Province of Papua New Guinea. The data on the meaning of the place names…. Capital social de los padres de escolares de una zona vulnerable. La binaria LSS y su entorno: The document aims to facilitate the management and treatment of HIV-infected patients with TB in Spain, and includes specific sections and recommendations on the treatment of drug-sensitive TB, multidrug-resistant TB, and extensively drug-resistant TB, in this population.

The consensus guidelines also make recommendations on the treatment of HIV-infected patients with TB in special situations, such as chronic liver disease, pregnancy, kidney failure, and transplantation. Recommendations are made on the timing and initial regimens of antiretroviral therapy in patients with TB, and on immune reconstitution syndrome in HIV-infected patients with TB who are receiving antiretroviral therapy.

The quality of the evidence was evaluated and the recommendations graded using the approach of the Grading of Recommendations Assessment, Development and Evaluation Working Group. Desarrollo curricular, conciencia ambiental y tecnologia para estudiantes de intermedia: Una investigacion en accion. Inflammatory fibroid polyp of the gastrointestinal tract: Inflammatory fibroid polyp lFP is a rare, benign, and solitary neoplasm predominantly located in the gastric antrum and small bowel. Its clinical symptoms are heterogeneous and essentially depend on the location and size of the tumor. Definitive diagnosis is made through histopathology and this pathology has excellent long-term prognosis.

A retrospective, cross-sectional, descriptive, and observational study was conducted that included patients with histopathologic diagnosis of IFP within the time frame of January and December The median age was 41 years minimum-maximum range of years. Three patients presented with iron deficiency anemia and 2 cases with intussusception. The IFPs were located at the following sites: IFPs are extremely rare in our population.

They usually present with weight loss and iron deficiency anemia and are more frequently located in the stomach and small bowel. This is the largest reported IFP case series in a Mexican population. We verified the number of questions addressing this topic that were present over the years, as well as the most recurrent subjects. We discussed the results from what is proposed by the official documents regarding the teaching of Astronomy in the Elementary and Secondary Education and we entertain future expectations about the presence of contents of this science in future official examinations.

A medical compendium of 'Melleus liquor physicae artis' has survived under the name Alexander Hispanus, possibly a medical scholar of the 13th or early 14th century, in codex Ms of the Biblioteca nacional in Madrid. But we don't know verifiable facts about Alexander Hispanus. There are more indications, that Alexander was a fictitious person and he never lived. The compendium tells about the maintaining of health as a matter of concern with strong temporal regulations. Therefore a bavarian tract about critical days was enclosed afterwards.

This is very interesting, because the tract is dated to and it's written by a younger hand. Compared with that other parts of the handwriting are dated roughly to the 14th century and are written by an older hand. This tract was now edited look to the appendix. At the same time a structural analysis of the organisation of knowledge clarified, that the Melleus liquor must be sawn as a well thought-out text altogether. The parts are connected within of three levels of structure: But time is of overriding importance and it's superordinated to these factors of structure.

All in all the handwriting monument is certainly written in the 14th century, but it documents medical doctrines of an older age. The late medieval writer probably used much older scripts, that don't exsist any longer. But so they were copied and came down to us fortunately. Focuses on the "World's Largest Concerts" listing various songs to be sung by students. Includes teaching tips in the form of quotes from music teachers on aspects of music education, such as teaching rhythm.

Includes information on how to access the songs. Cinco de ellos fueron reoperados. El proposito de la investigacion fue evaluar la efectividad de una actividad de aprendizaje basado en la argumentacion dialogica en linea y su incidencia en el desarrollo de competencias cientificas. Se fundamenta en la teoria del aprendizaje socio cultural de Vigotsky , los principios del diseno instruccional de la cognicion situada por Hung y Der-Thang y como estrategia se aplico la argumentacion dialogica utilizando el Modelo Argumentativo de Toulmin MAT El diseno experimental comparo dos grupos de estudiantes A y B en el curso virtual de Biotecnologia.

El grupo A experimental desarrollo la discusion a partir de la estrategia disenada para este estudio y el grupo B control realizo la discusion desde las actividades tradicionales. El desarrollo de la competencia argumentativa se valoro con el instrumento de evaluacion para argumentacion dialogica en linea propuesta por Clark y Sampson La evaluacion de las competencias cientificas se realizo a partir de una postprueba.

Los datos fueron analizados con pruebas estadisticas no parametricas. Los resultados de la investigacion, indicaron diferencias significativas en el nivel de la competencia argumental en el grupo experimental en comparacion al grupo control. Igualmente se demostro que existe una relacion positiva entre el nivel de desarrollo de la competencia argumentativa y el nivel de desarrollo de las competencias cientificas. This paper summarizes a narrative inquiry carried out with forty volunteer undergraduate participants attending the course Overall Communication, in the English Teacher Education Program in the School of Humanities of the "Universidad Nacional de Mar del Plata," Argentina.

Water is one of the most vital natural resource and its availability and quality determine ecosystem productivity, both for agricultural and natural systems. Una district is one of the major potential agricultural districts in Himachal Pradesh, India. The region faces drought every year and about 90 per cent of the area is water stressed. This has resulted in crop loss and shortage of food and fodder. The sources of drinking water, small ponds and bowlies dry-up during summer season resulting in scarcity of drinking water.

Una district receives rainfall during monsoons from June to September and also during non-monsoon period winter. The annual average rainfall in the area is about mm with 55 average rainy days. But due to heavy surface run-off the farmers not able to cultivate the crops more than once in a year. Past research indicate that the geomorphology of the Una district might be responsible for such droughts as it controls the surface as well as ground water resources. The research proposes to develop a water stress model for Una district using the geomorphic parameters, water resource and land use land cover data of the study area.

Using Survey of India topographical maps 1: The spatial layers of these parameters i. A time series of normalized remotely sensed data of the study area is used for land use land cover classification and analyses. The results of this research will help the general population in resolving the drinking water problem to a certain extent and also the. Polychaeta of the Parque Nacional de Coiba, Panama]. Four expeditions were made to Coiba National Park between and to characterize this part of the poorly known Panamian Pacific polychaete fauna. This paper deals with the Syllinae from hard substrates.

Twenty-two species belonging to six genera of the subfamily Syllinae Grube, Syllidae: A new species, Syllis castroviejoi, is described. Four species are newly reported for the Eastern Pacific: Branchiosyllis pacifica Rioja, and Syllis truncata Haswell, Two species, Syllis magna Westheide, and S.

The Year's Top Hard Science Fiction Stories

Programa Nacional de Comunicacion en Poblacion]. Peru's National Population Council is currently developing a national program of population communication. The program will be coordinated with public and private sector activities and will seek help from international organizations. The objective of the program is to promote changes in population knowledge, attitudes, and behaviors in priority social sectors and general public opinion to achieve a better harmony between population growth and distribution and socioeconomic development.

The program strategy is to begin with identification of priority audiences. Other components of the strategy include quality control, coordination, decentralization, participation, use of low-cost technologies with high impact, and a multidisciplinary focus. An inventory of institutional activities in population communication will be a major activity. Teniendo en cuenta que: Estudio retrospectivo de 63 pacientes operados entre el periodo Se analizaron 63 pacientes: Se buscaron los siguientes datos: Por el contrario, La preparacion en ciencia de los candidatos a maestros del nivel elemental primario segun la reforma de la educacion cientifica en Puerto Rico: Una propuesta de secuencia curricular.

El proposito de esta investigacion fue identificar los componentes de la preparacion en ciencia que deben recibir los estudiantes del Bachillerato en Artes en Educacion Elemental, Nivel Primario, de acuerdo a los documentos que dirigen la reforma de la educacion cientifica en Puerto Rico. Tambien, se identificaron los componentes de los cursos que forman parte de la preparacion en ciencia de estos estudiantes.

Se compararon los componentes de la preparacion en ciencia y los componentes de los cursos para determinar congruencias y discrepancias. Con los datos recopilados se identificaron los componentes de los cursos de una secuencia curricular para la preparacion en ciencia de los candidatos a maestros del nivel elemental primario. La secuencia curricular que se propone en esta investigacion incluye cursos de contenido cientifico y de metodologia en la ensenanza de la ciencia disenados para satisfacer las necesidades de los candidatos.

Se recomienda que en los procesos para el diseno, la implantacion y la evaluacion de estos cursos participen profesores de ciencia, profesores de educacion y maestros del nivel elemental primario. Todos los cursos de la secuencia curricular deben tener un enfoque constructivista. Las experiencias educativas que se incluyan en los cursos deben aspirar a desarrollar en los candidatos los atributos de la cultura cientifica y actitudes positivas hacia la ciencia y hacia la ensenanza de esta disciplina.

El modelaje por parte de los profesores que ensenen los cursos de la secuencia curricular es fundamental en el desarrollo profesional de los candidatos. Se recomienda que en los cursos de contenido cientifico se estudien los conceptos y los conocimientos cientificos que forman parte del curriculo de Kindergarten a tercer grado de forma integrada y con una profundidad universitaria. Estos cursos deben tener un enfoque interdisciplinario e incluir el estudio de la naturaleza de la ciencia y un componente de laboratorio para desarrollar los. Existe estigma relacionado al VIH.

A' Una "Let's Go! The guide, intended to aid students grades four and above in making their bodies a good home for their spirit, provides a variety of athletic activities and traditional Indian recipes for use in the classroom or in cultural programs. Apart from running the major American Indian means of maintaining physical fitness , instructions are given for…. Los espinogramas se hicieron en un equipo Kodak Elite CR. A screen of chemical modifications identifies position-specific modification by UNA to most potently reduce siRNA off-target effects. Small interfering RNAs siRNAs are now established as the preferred tool to inhibit gene function in mammalian cells yet trigger unintended gene silencing due to their inherent miRNA-like behavior.

It was previously shown that chemical modification of siRNAs can reduce off-targeting but only very few modifications have been tested leaving more to be identified. Here we developed a luciferase reporter-based assay suitable to monitor siRNA off-targeting in a high throughput manner using stable cell lines. We investigated the impact of chemically modifying single nucleotide positions within the siRNA seed on siRNA function and off-targeting using 10 different types of chemical modifications, three different target sequences and three siRNA concentrations.

We found several differently modified siRNAs to exercise reduced off-targeting yet incorporation of the strongly destabilizing unlocked nucleic acid UNA modification into position 7 of the siRNA most potently reduced off-targeting for all tested sequences. Notably, such position-specific destabilization of siRNA—target interactions did not significantly reduce siRNA potency and is therefore well suited for future siRNA designs especially for applications in vivo where siRNA concentrations, expectedly, will be low.

Learning Astronomy by Playing in a Park. Some public-square games are presented in this paper, considered as didactic modules to help children imagine astronomical processes, based on the concept that learning in Astronomy should be developed to strengthen the relationship of our body with three-dimensional space and time, much in the same way we experience when observing the actual sky, holding a permanent "dialogue" between the actual world and what is to be learned.

The games presented merry-go-rounds and slides were designed to work on the astronomical concepts related to the translation of the Earth around the Sun, the phases of the Moon and gravity, and on what is perceived by an observer about those phenomena. The description of each game, their physical and astronomical foundations, and a critical comment about their didactical importance are the key parts of the paper.

Finally, a recommendation is given about the role teachers should play to be essential partners in the process of learning Astronomy by means of the interaction with these games. Revision curricular a partir de un analisis comparativo de las discrepancias en los curriculos de una escuela de optometria en Puerto Rico con las competencias requeridas para las agencias de revalida y acreditacion El proposito de esta investigacion, un estudio cualitativo de caso, fue comparar y contrastar el curriculo vigente de la Escuela de Optometria de la UIAPR con las competencias y estandares requeridos por las agencias de acreditacion y de revalida.

Con este proposito, decidimos realizar una revision y un analisis de documentos: Se realizaron entrevistas dirigidas para dar apoyo y complementar la revision y el analisis de estos documentos. Esta investigacion se enmarco en el modelo de evaluacion curricular de discrepancia de Malcolm Provus y en el modelo de desarrollo basado en competencias. Uno de los hallazgos mas importantes del estudio es que los cambios que se implantaron al curriculo del no han logrado que los estudiantes mejoren su ejecucion en los examenes de revalida.

Por otro lado, se encontro que el curriculo vigente atiende completamente los estandares de la practica de Optometria, pero no las competencias. Esta informacion fue validada mediante el uso de una tabla de cotejo para el analisis de los cursos y de la informacion obtenida de las entrevistas. El estudio determina y concluye que existen discrepancias entre los prontuarios de los cursos del curriculo y las competencias requeridas por la agencia de revalida.

Segundo, que el Departamento de Ciencias Basicas es el. In this paper will be introduced a method of astrophotography using a non-reflex photographic camera a low-cost method. It will be revised some photographic processes commonly used nowadays for comparison with the aims of this paper. The Moon Phases in a Paper Box. We present a very simple concrete model to demonstrate the concept of phases of an illuminated body.

The main objective of our model is to help the understanding of the Moon phases as viewed from the perspective of an observer on Earth. The material allows the visualization of two important effects: The use of a closed box allows one to see the contrast among the different phases with no need of a dark room.

We also present a text on the Moon phases, emphasizing the dependence of the aspect of the bright part on the angle of sight. El uso de una caja cerrada permite observar el contraste entre las diferentes fases sin necesidad de estar en un recinto oscuro. Mandela, por la nueva Asamblea nacional sudafricana. El mandatario hizo el anuncio en el marco de una ceremonia English language students at the Universidad Nacional de Educacion UNAE in Ecuador tend to have various learning styles and have a hard time being motivated to not only learn, but also remember the correct form of English language being taught in the classroom.

It is mandatory for these students to learn English; therefore many do not have…. Some authors have given the CNEAI National Commission for the Evaluation of Research Activity a notorious role in the promotion of scientific research in Spain when considering the requirements for this institution as one of the essential elements in the increase of the Spanish scientific production in the last few years. We hereby expose that…. In this work we concentrated to our results of study of CVs systems which have evolved beyond the period minimum so-called bounce-back systems.

Using various instruments attached to 2. The disk in such systems also becomes largely optically thin in the continuum, contributing to the total flux less than the stellar components of the system. In contrast, the viscosity and the temperature in spiral arms formed at the outer edge of the disk are higher and their contribution in continuum plays an increasingly important role. We model such disks and generate light curves which successfully simulate the observed double-humped light curves in the quiescence.

Thanks to support of our programs by the Time Allocation Commission of OAN SPM, the perfect astroclimate in the observatory, and the phase-locked method of spectroscopic observations, the significant progress in the study of bounce-back systems using a small size telescope was reached. According to the clinical genetic diagnosis, First let's describe the context. In the National University system students can choose freely twenty percent of the credits. Their decisions are made taking into account various reasons. As far as we know the amount of work and the expected grades are factors besides the interest in the topics.

Statistics show that there is an even distribution among complementary professional, cross-disciplinary and general interest courses. Plan B took the name from Lexter Brown book, which was the original inspiration and text. The program expanded with more in depth consideration to a general understanding of climate and climate change science, and to water and energy crises because they are close to my research area.

But we consider other global change uses as well, including recycling, loss of biodiversity, food crises, economics of climate change and demographic and social issues. We developed a textbook whose title would translate as "Where is the Globe heading? The expression reflects the need for predictions, call for action, but also acknowledges that chance is a factor to consider. I believe it summarizes well the content of the course. The class meets in a large auditorium with sits. We moved from the usual size room of about 50 because of the large demand during registration.

This forced us to adjust the methodology, but our evaluation is that such a large audience is worthwhile. Student's feedbacks at the end of the semester confirm this with very good rating and general comments. Besides crude diagnostics of the problems based on data and science we always make an effort to present solutions. For instance there is ample consideration to renewal energy technologies.

Globalization is also a theme of the course, there are local actions but in particular curbing of greenhouse gas emissions needs global actions. We need that this kind of efforts spread to many campuses around the world and need to share experiences to take advantage of globalization. The year had a high pluviosity in Morrocoy National Park western coastal zone, Venezuela and low salinity in December affected the seagrass beds, dominated by Thalassia testudinum. Sampling was done at Las Luisas to determine leaf productivity, turnover rate, short shoot density and relative biomass of plant sections, in order to compare with data obtained in September , previous to the event.

Green leaves, roots and rhizomes were the most affected parts. The density of the active short shoots decreased to a minimum in February, but in April it reached a value similar to that of September The density of the inactive short shoots decreased to a minimum in March, and they dissappeared in April, matching the increasing density of the active short shoots between these two months. In January the leaf productivity and turnover rate values 2. Nevertheless, the values of productivity and turnover rate detected at Las Luisas in April 4.

In response to the mortality episode, the leaf productivity and turnover rate of T. The benthic fauna and diel variation in a shallow seagrass bed Thalassia testudinum were studied in Playa Mero, Venezuela. Samples of organisms and sediments were taken using PVC cylinders, 5cm in diameter, along a transect perpendicular to the coast. Seagrass cover, shoot density and biomass were estimated. The seagrass cover was homogeneous along the transect.

The intermediate zone had the highest number of shoots and of above-ground and rhizome biomass. Composition and abundance of benthic organisms were related with seagrass and sediment characteristics. Sediment organic matter content and organism abundance were highest near the shore Molluscs, polychaetes, oligochaetes and nematodes were the most abundant groups.

Species richness was higher in daytime 40 versus 28 at night. Gastropods were the most abundant organisms both at day and night while polychaetes and crustaceans increased during the day, and holoturids were more numerous at night. In this paper the acoustic design of the separate buildings housing the school of music, school of drama, and school of dance that opened in will be described.

Spaces that JHA designed included practice rooms, studios, rehearsal rooms, black box, and concert hall. Details of room acoustic treatments, sound isolation measures, and venturi air flow will be illustrated. An overview of the entire project will also include the seat multipurpose theater with variable absorption systems and the Alla Magna. Differences between the American and Mexican styles of consulting, importing of materials, installation, and commissioning will also be discussed.

Se observaron decrementos de publicidad en exteriores Unas opciones para muestras de la naturaleza. Las muestras de la naturaleza de Puerto Rico: Basic Concepts of Astronomy: In this report, the development of a methodological proposal which approaches basic concepts of astronomy-grounded pedagogically on Meaningful Learning is described. The proposal, which consists of four meetings, was developed by teachers and academics of the course of Professor in Physics of the University of Passo Fundo UPF , through an extension course to a group of highschool students of a public school of the town of Passo Fundo, RS.

The work was focused into basic concepts of astronomy. The signs of Meaningful Learning have been obtained by means of research and evaluation tools that were applied at the end of each meeting. The evaluation of the proposal has been conducted by means of a final questionnaire which was answered by the participants at the end ofthe development of activities.

By means of the results obtained from the different instruments, and the comments made by the participants during the activities and by means of the high rates of approval obtained in the final questionnaire, we think that the proposal reached the established goals and it may be repeated with the certainty of success. Los genomas de Leishmania panamensis, L. This document is an English-language abstract approximately 1, words of a desclaration drawn up by the participants of the Fourth Mexican National Congress of Normal Education.

The declaration points out the importance of teacher training in the educational system, the fundamental problems presently facing this level of studies and the…. Guiones didacticos para el profesor Educational Technology: This is the third in a series of six teacher's guides designed to accompany the Senda textbooks FL through It contains instructions for presenting the lessons and for handling the individual needs of the pupils.

National Migrant Education Program: Used as an integral part of the migrant student skills system operated by the Migrant Student Record Transfer System MSRTS , the reading skills list contains a catalog of reading skills typical of the K grade range. This catalog includes a sample of the MSRTS transmittal record which permits teachers to report the reading skills being worked…. Mesenteric cysts are rare abdominal tumors. The clinical presentation depends on the location and size of the cyst and many cases are asymptomatic and are diagnosed incidentally.

The most common symptoms are abdominal pain, bloating, abdominal mass, nausea, vomiting, constipation, diarrhea, weight loss, fever and peritonitis. Complications include torsion, infarction, volvulus formation, perforation, infection, anemia, intracystic hemorrhage, intestinal obstruction and obstructive uropathy. They are typically treated by simple excision, marsupialization or segmental bowel resection and have excellent long-term prognosis. This article discusses the education provisions established in the Argentine Plan for Development and Security The statements on educational development call for a diagnostic study of the current cultural and educational situation, the establishment of objectives and strategies, goals for each level of education, steps for the….

This is the fourth in a series of six teacher's guides designed to accompany the Senda textbooks FL through This is the first in a series of six teacher's guides designed to accompany the Senda textbooks FL through This is the fifth in a series of six teacher's guides designed to accompany the Senda textbooks FL through This is the sixth in a series of six teacher's guides designed to accompany the Senda textbooks FL through This is the second in a series of six teacher's guides designed to accompany the Senda textbooks FL through The diagnosis and treatment of thyroid disease has significantly changed with time.

With the aim of analysing changes in thyroid surgery in our institution, a representative sample of patients from the first three years in four decades were comparatively analysed. In the sixties, the diagnosis of thyroid cancer was made during surgery; by contrast, this diagnosis was correctly done by fine needle aspiration FNA in most patients of the last decade. Thyroid lobectomy, infrequently used in the treatment of differentiated thyroid carcinoma in earlier times, has now been abandoned and currently most patients undergo total or near-total thyroidectomy.

Complications such as hypoparathyroidism and recurrent laryngeal nerve paralysis have importantly decreased with time and were not seen in the last decade. A trend toward an earlier diagnosis of thyroid carcinoma was also observed. In summary, the number of thyroidectomies for benign diseases has been importantly reduced by the use of FNA with the proportional increment of surgery for malignant disease.

Anaplastic thyroid carcinoma ATC is a highly aggressive tumor with a median survival rate of 6 months. To analyze presentation, treatment, morphology, immunohistochemistry, and nuclear DNA analysis of a cohort of patients with ATC. Twelve patients with ATC 11 female with a mean age of 65 years were seen at our hospital from The data were obtained from the clinical records and the morphology, immunohistochemic studies and DNA pattern were performed in slides obtained from archival specimens.

Previous or coexisting thyroide disease was documented in 10 patients 9 multinodular goiters and one Grave's. The most frequent presentation was a rapidly growing tumor associated with dysphagia, cervical pain, hoarseness and dyspnea. A cold thyroid nodule was detected by thyroid scan in 10 patients. The most frequent subtype was the spindle cell variety. Papillary thyroid carcinoma coexisted in eight cases, two of them corresponded to the tall cell variant.

Reactivity for S protein and vimentin was studied in six patients: These six tumors showed a diploid DNA pattern. ATC is a highly aggressive tumor coexisting with thyroid pathologies.

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