title: Leiomyosarcoma of the duodenum recognized preoperatively.
abstract: We report the preoperative histologic diagnosis of leiomyosarcoma of the duodenum and review the clinical aspects and treatment of this tumor. The endoscopic techniques were critical in obtaining the diagnosis and deciding the treatment plan.
mesh_terms: D000368:Aged; D001706:Biopsy / Q000379:methods; D004379:Duodenal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D004384:Duodenoscopy / Q000379:methods; D004386:Duodenum / Q000473:pathology; D006801:Humans; D007890:Leiomyosarcoma / Q000000981:diagnostic imaging / Q000473:pathology*; D008297:Male; D011859:Radiography