title: A retroperitoneal cystic leiomyosarcoma spontaneously draining into the stomach.
abstract: An unusual case of a retroperitoneal cystic leiomyosarcoma clinically resembling a pancreatic pseudocyst with subsequent spontaneous cystgastrostomy drainage is presented.
mesh_terms: D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D005747:Gastric Fistula / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D005753:Gastric Mucosa / Q000473:pathology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D007890:Leiomyosarcoma / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D010181:Pancreatic Cyst / Q000175:diagnosis; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D012422:Rupture, Spontaneous / Q000150:complications