ARTICLES

Filter  
Active filters 0
Remove
  

Refine your searches by:

Collections
Biology
Medicine / Sub specialtie
Public health
Veterinary
Medicine / Dentistry
Pure sciences
Research
Medicine / Pharmacology
Zoology
Chemistry
all records (67)

Languages
English
Spanish
Portuguese
German
French

Countries
Indonesia
Brazil
USA
Ukraine
Romania
Italy
India
Macedonia
South Africa
Poland
all records (61)

Years
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
all records (24)

Filter  
 
4.941  Articles
1 of 495 pages  |  10  records  |  more records»
Sellar region hosts a wide range of different types of lesions. Most of these lesions present with mass effect symptoms and, often, with symptoms related to hormonal disturbances, mimicking a pituitary neuroendocrine tumour (PitNET). We report two cases o... see more

The purpose of this study was to highlight the histological aspect of some tissue of Prussian carp’s specimens, subjected to sub lethal Pb intoxication with and without chlorella dietary supplementation. 90 Prussian carps, with weighing between 10 and 12 ... see more

Correlación cito-histológica de las lesiones premalignas y malignas de cuello uterino / Cyto-histological correlation of the pre-malignant and malignant lesions of the cervixCorrelación cito-histológica de las lesiones premalignas y malignas de cuello uterino / Cyto-histological correlation of the pre-malignant and malignant lesions of the cervixEl control de la calidad es obligatorio para cualquier programa. Es importante en el diagnóstico de lesiones de cuello uterino puesto que el cáncer cervical es la segunda causa de mortalidad en la mujer. Objetivos: Determinar la correlación cito-histológica de las lesiones premalignas y malignas de cuello uterino. Hospital Clínico Quirúrgico "Abel Santamaría" en el período 2004-2007 Diseño: Se realizó un estudio de validación externa de la citología orgánica del cuello uterino mediante un diseño observacional, descriptivo y transversal. Sujetos y método. Universo: 7174 mujeres con biopsia del cuello uterino, de las cuales 3240 provenían del Programa de Detección Precoz del Cáncer Cérvico-Uterino (PDPCCU). Se determinó la edad, correspondencia diagnóstica entre  citología y  biopsia y el rendimiento de la citología orgánica según tipo de lesión. Se usó la estadística descriptiva para resumir las variables categóricas y cuantitativas continuas. Se calculó la sensibilidad y la especificidad de los diagnósticos. Resultados. Se produjo un aumento progresivo de las biopsias de cuello realizadas, con un incremento significativo de los casos del PDPCCU.  Predominó el diagnóstico de  lesiones premalignas; las más frecuentes fueron las NIC I.  La correlación cito-histológica y la sensibilidad aumentaron con la severidad de las lesiones.  La especificidad  se mantuvo constante para todas las lesiones.  Conclusión. Se comprobó que la calidad se mantiene entre los estándares internacionales. Palabras clave: cuello del útero, neoplasias del cuello uterino/diagnóstico, control de calidad. ABSTRACT Quality control is compulsory for any programs, being of a great importance the diagnosis of the lesions in the cervix, cervical cancer is the second cause of death in women. Objectives: To determine the cyto-histological correlation of the pre-malignant and malignant lesions of the cervix. This research paper was carried out at "Abel Santamaria Cuadrado" University Hospital during 2004-2007. Design: An external validation study was conducted on the organic cytology of the cervix by means of an observation, descriptive and cross-sectional design. Subjects and method: Universe: 7174 women with cervix biopsy specimen, out of them 3240 came from the "Programa de Deteccion Precoz del Cancer Cervico-Uterino (PDPCCU)" (Program for the Early Detection of Cervical Cancer).  Age, diagnostic correspondence with the cytology and the biopsy; as well as the yield of the organic cytology  according to the type of lesion; using Descriptive Statistics to sum up the categorical and continuing quantitative variables. Sensitivity and specificity of the diagnosis was calculated. Results: A progressive increase in the cervix biopsies performed and a significant increment of the cases recorded in the Program for the Early Detection of Cervical Cancer were observed; diagnosis of the premalignant lesions prevailed and the most frequent were those identified of Cervical Intraepithelial Neoplasia (CIN-1). Cyto-histological correlation and sensitivity increased with the severity of the lesions. Conclusion: It was proved that the quality control maintains the international standards. Key words: cervix uteri, uterine cervical neoplasms/diagnosis, Quality control.

ABSTRACT Quality control is compulsory for any programs, being of a great importance the diagnosis of the lesions in the cervix, cervical cancer is the second cause of death in women. Objectives: To determine the cyto-histological correlation of th... see more

Epidemiología de las lesiones endometriales en mujeres obesas mayores de 50 años / Epidemiology of the endometrial lesions in obese women older than 50 years oldEpidemiología de las lesiones endometriales en mujeres obesas mayores de 50 años / Epidemiology of the endometrial lesions in obese women older than 50 years oldSe realizó una investigación retrospectiva y analítica, con el objetivo de identificar los factores de riesgo asociados a las lesiones endometriales en las mujeres obesas mayores de 50 años en el municipio Pinar del Río. El universo de estudio estuvo constituido por la totalidad de las mujeres residentes en el área de salud Hermanos Cruz. Se seleccionó un grupo de estudio conformado por las mujeres obesas mayores de 50 años y un grupo de control conformado por las mujeres mayores de 50 años no obesas. Para obtener los datos, se utilizó una encuesta-formulario, donde se incluyeron variables generales de la mujer, antecedentes personales y familiares e historia ginecobstétrica, la cual fue aplicada a ambos grupos, con previo consentimiento. Se realizó un estudio ultrasonográfico a las mujeres incluidas en la investigación y uno histológico del endometrio cuando el examen ultrasonográfico resultó anormal (mayor de 4 mm en posmenopáusicas y de 14 mm en premenopáusicas.). Se confeccionó una base de datos con las variables estudiadas. Los resultados obtenidos se agruparon en cuadros (simples y de contingencia). Para su procesamiento estadístico se utilizaron la frecuencia absoluta y porcentual, el estadígrafo Ji cuadrado, pruebas de probabilidad de Fisher, los odds ratio (crudo y ponderado) y Z. La obesidad estuvo asociada con mayor probabilidad de tener un resultado ultrasonográfico anormal de la medida del grosor endometrial y de lesiones premalignas y cáncer endometrial, principalmente cuando existieron antecedentes familiares de cáncer de mama o colon y antecedentes personales de menarquía precoz, paridad y sangrado uterino anormal. Palabras clave: adenocarcinoma, neoplasias, epidemiología,hiperplasia endometrial,biopsia. ABSTRACT A retrospective and analytic research was carried out with the purpose of identifying risk factors associated with endometrial lesions in obese women older than 50 years old in Pinar del Rio municipality. The universe was comprised of the total of women living at "Hermanos Cruz" health sector. A group of obese women older than 50 years old and a control group of non-obese women older than 50 years old were chosen. To collect data, a survey-form was used; including general variables of women, personal, familial, gynecological and obstetric records. The survey was applied for both groups having a previous consent. A sonographic study was conducted to women participating in the research and performing an endometrial-histological examination when the Sonography showed abnormalities (greater 4mm in postmenopausal and 14mm in premenopausal women). A database using the variables studied was created; and the results were grouped in charts (simple and of contingency). In the statistical process absolute frequency and percentage, chi square, Fisher's probability test, odds ratio (raw and adjusted), and Z test were used. Obesity was associated with a major probability of having an abnormal sonographic result of the endometrial thickness, premalignant lesions and endometrial cancer; mainly when familial history of breast or colon cancers existed as well as personal records of early menarche, parity and abnormal uterine bleeding. Key words: Adenocarcinoma, Endometrial neoplasm, epidemiology, Endometrial hyperplasia, biopsy.

ABSTRACT A retrospective and analytic research was carried out with the purpose of identifying risk factors associated with endometrial lesions in obese women older than 50 years old in Pinar del Rio municipality. The universe was comprised of the total... see more

Lichen planus is a common oral disorder which may represent the manifestation of varies clinical presentation and microscopic findings. In this retrospective study of 86, cases of oral lichen planus (OLP) were compared with 73 cases of oral lichenoid lesi... see more

The purpose of this study was to highlight the histological aspect of some tissue of Prussian carp’s specimens, subjected to sub lethal Pb intoxication with and without chlorella dietary supplementation.90 Prussian carps, with weighing between 10 and 12 g... see more

AbstractBackground: Breast cancer is a major cause of morbidity and mortality worldwide. Certain lesions encountered on mammography require histological assessment of biopsy samples to identify benign versus malignant disease. Stereotactic vacuum-assisted... see more

Introduction: The conjunctiva is a thin and flexible mucus membrane that provides a protective barrier for the eye. Very few histopathologic studies have been conducted on biopsies from conjunctival lesions (CL) in central India.Objective: To study the sp... see more

Ochratoxin A (OTA) is a nephrotoxic/carcinogenic mycotoxin, produced by several Aspergillus- and Penicillium-strains. It also have a hepatotoxic and immunosuppressive effect. The aim of the study was to evidentiate the histological and ultrastructural les... see more

1 of 495 pages  |  10  records  |  more records»