LEIOMYOSARCOMAS of the duodenum are rare lesions, only 63 cases having been previously reported. The preoperative diagnosis of this neoplasm is particularly difficult and is often made by exclusion.1,2 A 71-year-old woman who presented with signs and symptoms of acute peritonitis was recently treated. At laparotomy, the patient had a massive retroperitoneal hemorrhage, thought to arise from a ruptured aortic aneurysm. The source of bleeding, however, proved to be an extraluminal duodenal leiomyosarcoma. This apparently is the first recorded case presenting in this manner.
Report of a Case
A 71-year-old Negro woman was admitted to Parkland Memorial Hospital with the chief complaint of abdominal pain of seven hours' duration. The patient had been in good health prior to admission when she had the sudden onset of epigastric pain which subsequently involved the entire abdomen. She had one episode of vomiting, but denied having diarrhea, fever, or chills. History was