[Histopathological evaluation of minute stomach cancer].
We histologically examined 17 lesions from minute gastric cancer (less than 5 mm in diameter). Flat or IIb type was frequently seen in minute cancer (47%); the depressed type was predominant in ordinary early gastric cancer (72%). Differentiated adenocarcinoma was noted more often in minute cancer (88%) than in ordinary early gastric cancer (61%) or advanced cancer (45%). Differentiated type minute cancer was frequently associated with severe atrophic gastritis (93%) and intestinal metaplasia (73%). There was no evidence for the preexistence of chronic peptic ulcer, because no fibrosis was present in the gastric wall beneath the minute cancerous lesions.
D000230:Adenocarcinoma / Q000473:pathology; D000328:Adult; D000368:Aged; D005260:Female; D005753:Gastric Mucosa / Q000473:pathology; D006801:Humans; D007417:Intestinal Polyps / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D013274:Stomach Neoplasms / Q000473:pathology*