title: Haemangiopericytoma of bone.
mesh_terms: D000328:Adult; D000368:Aged; D001859:Bone Neoplasms / Q000175:diagnosis*; D002648:Child; D005260:Female; D006393:Hemangiopericytoma / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged