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Query: UMLS:C0007095 (carcinoid)
 6,990 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Morphology of the neuroendocrine stomach tumours, including carcinoid tumours (CT) and so-called carcinoids of complex structure is studied (189 tumours of patients operated in the Institute), 164 tumours are studied using routine histological methods including Grimelius methods. Immunophenotyping with the use of antibodies to VIII type keratin, carcinoembryonic antigen, meconial intestinal antigen B1MA, Factor VIII, IV-type collagen and laminin were performed in 25 cases. Neuroendocrine carcinomas represented a group of 86 tumours (45.5%), 28 (14.4%) of them were carcinoid tumours and 58 (30.7%)--complex carcinoids. Among CT, moderately differentiated tumours predominated (18), 4 tumours were poorly differentiated and there was a combination of structures in 6 tumours. The conclusion is made that neuroendocrine stomach carcinomas are epithelial tumours with a complex functional differentiation manifesting in different types of secretion: neuroendocrine and non-endocrine characteristic of stomach epithelium.
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PMID:[Neuroendocrine stomach carcinoma]. 820 51