HISTOPATHOLOGICAL STUDY OF GASTRIC POLYPS, WITH SPECIAL REFERENCE TO INTESTINAL METAPLASIA IN THE POLYP
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概要
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Histopathological study was made on 401 polyps in the stomach obtained surgically from 257 patients. Polyps were classified intofive groups according to the extent of intestinal metaplasia in the polyp.The incidence of malignant changes increased with the extent of intestinal metaplasia. Of the five groups, the highest incidence (36.1%) of malignant changes was found in the group of polyps composed almost entirely of metaplastic epithelia.Most gastric polyps had tendency to grow pedunclated in shape. But the sessile or subpedunclated shape, regardless of the growing, was preserved in the polyps having two layer structure; the upper layer was occupied by the epithelia of intestinal metaplasia and the lower layer was the epithelia of pseudo-pyloric gland.
- 財団法人 日本消化器病学会の論文