title: Colonic metastasis from a primary renal leiomyosarcoma: an unusual cause of gastrointestinal hemorrhage.
abstract: Primary leiomyosarcoma of the kidney is rare. We report the first case of such a tumor that metastasized to the colon and was manifested by gastrointestinal hemorrhage.
authors.affiliation: Section of Gastroenterology, University of Texas Houston Health Sciences Center, 77030, USA.
authors.forename: A L
authors.initials: AL
authors.lastname: Buchman
authors.forename: L D
authors.initials: LD
authors.lastname: Truong
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003110:Colonic Neoplasms / Q000150:complications* / Q000473:pathology / Q000556:secondary*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D007890:Leiomyosarcoma / Q000150:complications* / Q000473:pathology / Q000556:secondary*