title: Malignant haemangiopericytoma of the terminal ileum presenting with peritonitis and transcoelomic metastases.
mesh_terms: D000008:Abdominal Neoplasms / Q000556:secondary*; D000368:Aged; D006393:Hemangiopericytoma / Q000150:complications*; D006801:Humans; D007078:Ileal Neoplasms / Q000150:complications*; D008297:Male; D010538:Peritonitis / Q000209:etiology*