PROLAPSE OF PEDUNCULATED TUMORS AND GASTRIC MUCOSA THROUGH PYLORUS INTO DUODENUM

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Abstract
Pedunculated tumors of the stomach and gastric mucosa that prolapse through the pylorus are readily diagnosed by roentgen examination, and a sufficient number of these cases have been studied to justify one in describing certain characteristic appearances, the presence of which will greatly aid in the diagnosis. PATHOLOGY Pedunculated tumors that prolapse through the pylorus into the duodenum may be papillomas, adenomas, fibromas or polyps. Most of the cases that have been studied in my series have been either papillomas or polyps. They arise from the mucosa near the pylorus and vary in diameter from 1 to 2 cm. The pedicles may be short or long; most frequently, they measure approximately 2 cm. in length. The tumors may be multiple or single. Large pedunculated tumors are found in the stomach but these do not prolapse. Pedunculated tumors are prone to ulcerate and frequently cause a severe secondary anemia that may

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