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1.
Acta gastroenterol. latinoam ; 23(2): 75-81, 1993.
Article in Spanish | LILACS-Express | LILACS, BINACIS | ID: biblio-1157247

ABSTRACT

The risk of HBV and HCV liver infection in kidney graft recipients was evaluated in 35 patients. All were tested for anti-HBc, HBsAg, HBeAg, anti-HBs, Anti-HBe, anti-HCV (c-100-3 and c-100-3, c-22, 33-c), anti-HDV and anti-HIV by ELISA, and for HBV-DNA by hybridization. Liver biopsy, immunostaining for HBcAg and Knodell’s hepatic inflammatory index were performed in 18. Mean time elapsing form transplant to inclusion was 20.7 months (range 1-108). HBsAg was the only marker searched for prior to transplant. Twenty six (74.2


) HBsAg+, (3 HBeAg+ and 3 anti-HBe+), 7 (20


) anti-HBs+ and 3 (8.5


) isolated anti-HBc. Anti-HCV (C-100-3) was positive in 9/32 (28.1


), while 2nd. generation anti-HCV was positive in 20/35 (57.1


) cases. No false positives for 1st. generation test were found. Both anti-HDV and anti-HIV were negative in all the sample. Raised aminotransferases were present in 13/30 (43.3


), 7 in anti-HCV+, one in HBsAg+ and 3 in HBsAg+/HCV+ cases, but normal in 17/30 (56.6


). History of Transfusion and Hemodialysis time showed no significant differences between anti-HCV+ and anti-HCV negative cases. Biopsy disclosed 10 chronic persistent hepatitis (CPH), one chronic active hepatitis (CAH) with cirrhosis, one inactive cirrhosis (Ci) 4 minimal lesions (MHL) and 2 normal. Seven CPH, 3 MHL. one normal and both cirrhosis cases proved anti-HCV+. HBsAg was positive in the single CAH, in 2 CPH and in one MHL.(ABSTRACT TRUNCATED AT 250 WORDS)

2.
Medicina (B.Aires) ; 48(4): 401-5, 1988. tab, ilus
Article in Spanish | LILACS | ID: lil-71360

ABSTRACT

Con el objeto de determinar el valor diagnóstico de una serie de marcadores epiteliales se estudiaron 25 carcinomas indifenciados y 5 carcinomas indiferenciados de pequeñas células. Como grupo control positivo fueron marcados 16 carcinomas epidermoides o adenocarcinomas y como control negativo, 5 linfomas malignos. fueron utilizados sueros monoclonales contra queratina (AE1) y el antígeno epitelial de membrana (EMA) y policlonal para la demostración de antígeno carcinoembrionario (ACE). El método de marcación utilizado fue el de peroxidads-antiperoxidasa para ACE y el complejo acidinabiotina par AE1 y EMA. Del grupo control positivo todos los tumores fueron positivo con EMA, uno negativo con AE1, 20(80%) con EMA y 17(68%) con ACE. Tomando en cuenta los 3 marcadores, fueron positivos 24 de los 25 tumores (96%). Los carcinomas indiferenciados de pequeñas células y los linfomas malignos fueron negativos. Este trabajo confirma la utilidad de los marcadores epiteliais como ayuda diagnóstica para la tipificación de neoplasias indifernciadas. El empleo simultáneo de vários marcadores mejora los resultados


Subject(s)
Humans , Biomarkers, Tumor/analysis , Carcinoembryonic Antigen/analysis , Carcinoma/diagnosis , Keratins/analysis , Diagnosis, Differential , Immunoenzyme Techniques
5.
Rev. argent. cir ; 41(1/2): 96-107, 1981.
Article in Spanish | LILACS | ID: lil-11984

ABSTRACT

El estudio necropsico de 12 enfermos fallecidos por pancreatitis aguda necrohemorragica, revelo que solo uno de ellos presentaba una necrosis de coagulacion masiva del parenquima. En los 11 restantes, existia una necrosis hemorragica intersticial y capsular, con el parenquima pancreatico relativamente indemne. En estos casos el parenquima funcionante asociado a la necrosis capsular determinaron una grave retroperitonitis disecante y sepsis generalizada. La pancreatectomia estaria indicada en la necrosis masiva del parenquima.En la necrosis hemorragica intersticial,la pancreatectomia no seria indispensable, si se pudiera evitar la digestion enzimatica retro e intraperitoneal mediante la colocacion oportuna de multiples drenajes y el tratamiento simultaneo de la enfermedad biliar


Subject(s)
Adult , Middle Aged , Humans , Male , Female , Pancreatitis
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