title: Pathologic quiz case: a large pelvic mass in a 44-year-old man.
authors.affiliation: Department of Pathology, The University of Texas, Health Science Center, San Antonio 78229-3900, USA. ywang917@hotmail.com
authors.forename: Yuanhong
authors.initials: Y
authors.lastname: Wang
authors.forename: Francis E
authors.initials: FE
authors.lastname: Sharkey
mesh_terms: D000328:Adult; D015179:Colorectal Neoplasms / Q000098:blood supply / Q000175:diagnosis*; D006393:Hemangiopericytoma / Q000098:blood supply / Q000175:diagnosis*; D006801:Humans; D008297:Male; D009389:Neovascularization, Pathologic / Q000175:diagnosis; D010388:Pelvis / Q000473:pathology*