title: Solitary vascular tumour of duodenum (haemangioendothelioma and-or haemangiopericytoma).
mesh_terms: D000328:Adult; D000368:Aged; D002675:Child, Preschool; D004379:Duodenal Neoplasms / Q000473:pathology / Q000601:surgery; D004386:Duodenum / Q000473:pathology; D005260:Female; D006390:Hemangioendothelioma / Q000473:pathology / Q000601:surgery; D006393:Hemangiopericytoma / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged