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Am J Gastroenterol. 1981 Apr;75(4):275-81.

Histoclinical long-standing follow-up study of hyperplastic polyps of the stomach.

Abstract

In a series of 2,013 gastric polyps in 1,201 patients, morphological and histopathological studies have been performed. Ninety-three hyperplastic polyps in 56 patients have been followed-up endoscopically and histopathologically for five to 12 years. The incidence of detection of gastric polyps has increased: 1.4% in 1967 to 8.7% in 1979 year by year. Thirty patients (54%) among the 56 showed changes in number, size or shape of polyps during follow-up. Twenty patients (37%) revealed numerical changes (increase in 16 patients, reversion in three patients and vanishing in two patients). Twenty-eight polyps (30%) showed morphological changes, six of them showed continuous enlargement, 18 lesions repeated enlargement, stationary or reduction stages, three lesions were reversed and two polyps disappeared. Histopathologically, three lesions showed transformation from the hyperplastic type to adenoma while demonstrating morphological enlargement. Two of these showed increase in cellular atypia, from the hyperplastic type through adenoma with severe atypia and finally to carcinoma in the polypectomy specimens. From this study, it was concluded that although hyperplastic polyps show changes in size, shape or number with passage of time, malignant changes occur in only a few cases.

PMID:
7258173
[Indexed for MEDLINE]

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