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Medisan ; 21(4)abr. 2017. tab
Article in Spanish | LILACS | ID: biblio-841682

ABSTRACT

Se realizó un estudio analítico y comparativo de 553 biopsias realizadas en el Hospital General Docente Dr Juan Bruno Zayas Alfonso de Santiago de Cuba en el período 2014-2015, con vistas a valorar la utilidad de las coloraciones histoquímicas de mucina: PAS, azul alcian (2,5 pH) y PAS-azul alcian, para diferenciar las lesiones benignas y malignas de la próstata. En la serie se obtuvo 98,4 por ciento de hiperplasias benignas positivas con el PAS y ninguna de ellas con el azul alcian, mientras que 50,9 por ciento de todos los carcinomas resultaron positivos con esta última; por el contrario, para los carcinomas bien diferenciados, la positividad con el azul alcian resultó ser de 96,3 por ciento y solo de 3,6 por ciento con el PAS. Se concluye que las coloraciones histoquímicas de mucina pueden ser usadas como herramientas para distinguir el adenocarcinoma bien diferenciado de la hiperplasia prostática


A comparative analytical study of 553 biopsies was carried out in "Dr. Juan Bruno Zayas Alfonso" Teaching General Hospital in Santiago de Cuba during 2014-2015, aimed at valuating the usefulness of mucin histochemistry stains: PAS, alcian blue (2.5 pH) and PAS-alcian blue, to differentiate the prostate benign and malign lesions. In the series, 98.4 percent of positive benign hyperplasias with PAS was obtained and none of them with alcian blue, while 50.9 percen of all carcinomas were positive with the latter; on the contrary, for the well differentiated carcinomas, the positivity with alcian blue was 96.3 percen and just 3.6 percen with PAS. It was concluded that mucin histochemistry stains can be used as tools to distinguish the well differentiated adenocarcinoma from the prostatic hyperplasia


Subject(s)
Humans , Male , Adult , Middle Aged , Aged , Aged, 80 and over , Prostate/anatomy & histology , Prostatic Neoplasms , Biopsy , Prostatic Hyperplasia , Staining and Labeling , Histological Techniques/methods
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