Three cases are described in which patients were hospitalized for massive intestinal bleeding. In each case the results of roentgenography were either negative or misleading, and the preoperative diagnosis was a probable bleeding duodenal ulcer, although the presence of tumor was considered. One patient also showed signs of intussusception. At laparotomy in each case the lesion proved to be a benign tumor, and excellent results followed resection. These observations are in accord with existing records of more than 1,400 cases of benign tumors in the small intestine. Many are asymptomatic, and less than 8% of all patients in whom such lesions were found by the surgeon had been given diagnoses before operation.
Lechner GW, Connolly PJ. BENIGN NEOPLASMS OF THE SMALL INTESTINE: WITH A REPORT OF THREE BLEEDING BENIGN TUMORS OF THE JEJUNUM. JAMA. 1959;169(17):2003–2008. doi:10.1001/jama.1959.03000340035010
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