Summary
When roentgen examination shows a sharply defined polyp less than 2 cm. in diameter, the polyp is of a benign adenomatous type, and conservative treatment is recommended. If the polyp is smooth and larger than 2 cm. in diameter it is usually benign. However, since there may be such findings with a polypoid carcinoma, surgery is indicated. Of 138 cases studied the polyps resembled a villous adenoma on roentgen and pathologic examination in 8. These lesions have a high malignant potential and should be removed. Irregular contour defects should be considered as carcinomas no matter what the size.
Thirty-one patients with the roentgen diagnosis of a benign polyp, observed for 9 months to 12 years, revealed no essential change in appearance during the period of observation. Some of the differences in the statistics relative to the malignant potential of gastric polyps may be due to the inclusion of villous adenomas or papillomas, polypoid carcinomas, and small flat ulcerating carcinomas.
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Marshak, R.H., Feldman, F. Gastric polyps. Digest Dis Sci 10, 909–935 (1965). https://doi.org/10.1007/BF02236007
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DOI: https://doi.org/10.1007/BF02236007