title: Hemangiosarcoma complicating Paget's disease of the bone.
abstract: An 87-year-old man with Paget's disease of the left humerus was found to have a Paget's sarcoma upon pathologic examination of the left upper limb, which was disarticulated for severe pain and recurrent fractures. The histologic type of this tumor, a hemangiosarcoma, was unique among Paget's sarcomas.
mesh_terms: D000368:Aged; D005260:Female; D006394:Hemangiosarcoma / Q000150:complications* / Q000473:pathology; D006801:Humans; D006811:Humerus; D008297:Male; D010001:Osteitis Deformans / Q000150:complications* / Q000473:pathology