title: Primary osteosarcoma of the penis.
abstract: We report a case of an 84-year-old man with extraskeletal osteosarcoma of the penis arising within heterotopic bone. Extraskeletal osteosarcoma of the penis is an exceedingly rare entity; only two other well-documented cases have been reported in the English-language literature.
authors.affiliation: Department of Anatomic Pathology, Oregon Health Sciences University, Portland.
authors.forename: A R
authors.initials: AR
authors.lastname: Sacker
authors.forename: K K
authors.initials: KK
authors.lastname: Oyama
authors.forename: S
authors.initials: S
authors.lastname: Kessler
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary; D008297:Male; D012516:Osteosarcoma / Q000473:pathology* / Q000556:secondary; D010412:Penile Neoplasms / Q000473:pathology*