title: Pelvic hemangiopericytoma: ultrasonographic findings and comparison with angiography.
mesh_terms: D000328:Adult; D000792:Angiography; D005260:Female; D006393:Hemangiopericytoma / Q000098:blood supply / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D010386:Pelvic Neoplasms / Q000098:blood supply / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014463:Ultrasonography