title: Multifocal Sarcoma of the Urinary Bladder.
abstract: Sarcomas of the urinary bladder are rare and typically present as solitary, unifocal neoplasms. This is the second report of a primary multifocal sarcoma of the bladder. Like the first reported case, the tumor was highly aggressive with a short clinical course. The tumor apparently arose in stroma of the lamina propria and showed a variety of histologic patterns but without evidence of differentiation.
authors.affiliation: Professor and Chairman, Department of Pathology, New York Medical College, Valhalla, New York.
authors.initials: DE
authors.lastname: Melamed
authors.initials: MS
authors.lastname: Choudhury
authors.initials: MR
authors.lastname: Melamed