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Pathological and karyotypic abnormalities in advanced gastric carcinomas
L A Espinoza1, J Barbieri Neto, C Casartelli
1Departamento de Genética, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Brazil.
Cancer Genetics and Cytogenetics
|February 12, 1999
Abstract:
Twenty samples of stomach cancers were analyzed by conventional cytogenetic and histopathological techniques. Nineteen tumors were diagnosed as adenocarcinomas and one as an adenosquamous carcinoma. Multiple and complex chromosomal abnormalities were found in the cases evaluated cytogenetically. This heterogeneity of chromosomal changes appears to indicate a certain correlation with tumor progression. Histological analysis showed a distinctive growth pattern of gastric cancer samples and a potential for invasiveness and recurrence for all tumors as well as a poor prognosis.