title: A surreptitious sinister sarcoma.
abstract: Angiosarcoma is an exceedingly rare endothelial-derived sarcoma that, when seen, usually presents as an expanding bruise-like patch or violaceous papule/nodule on the head of an elderly patient. Herein, we present the histologic features of an unusual case that defied initial diagnosis.
authors.affiliation: Department of Pathology and Cell Biology, College of Medicine, University of South Florida, Tampa, FL, USA.
authors.forename: S M
authors.initials: SM
authors.lastname: Schlauder
authors.forename: J
authors.initials: J
authors.lastname: Bowers
authors.forename: M B
authors.initials: MB
authors.lastname: Morgan
mesh_terms: D000368:Aged; D014408:Biomarkers, Tumor / Q000032:analysis; D001706:Biopsy; D006394:Hemangiosarcoma / Q000737:chemistry / Q000473:pathology* / Q000601:surgery; D006801:Humans; D008297:Male; D012878:Skin Neoplasms / Q000737:chemistry / Q000473:pathology* / Q000601:surgery; D016896:Treatment Outcome
chemical_list: D014408:Biomarkers, Tumor