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  • Title: [Scanning electron microscopy in gastric adenocarcinoma and intestinal metaplasia].
    Author: Tuk B, Corrales D.
    Journal: Rev Biol Trop; 1986 Nov; 34(2):167-70. PubMed ID: 3423334.
    Abstract:
    In recent years scanning electron microscopy has been used in gastric biopsy studies, contributing to better recognition of intestinal metaplasia and carcinoma, as a complement to light and transmission electron microscopy. During the second half of 1983, 53 cases of gastric carcinoma were diagnosed at the Department of Pathology of Hospital Mexico, of which six were studied ultrastructurally. A pattern similar to that of intestinal epithelium was found in cases of intestinal metaplasia. Well differentiated adenocarcinomas showed marked tumor cell proliferation with irregular "projections". In poorly differentiated carcinomas, changes were limited to areas where tumor cells invaded the epithelial surface. In summary, scanning electron microscopy is of great help in research and diagnosis of pathologic changes occurring in mucosal surfaces.
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