title: Angiosarcoma of the heart in an adolescent. A light and electron microscopic and immunohistochemical study.
abstract: A cardiac angiosarcoma occurred in the right atrium of a 15-year-old boy. Unusual features included the patient's young age and the antemortem pathologic diagnosis of the tumor.
mesh_terms: D000293:Adolescent; D006325:Heart Atria; D006338:Heart Neoplasms / Q000032:analysis / Q000473:pathology* / Q000648:ultrastructure; D006394:Hemangiosarcoma / Q000032:analysis / Q000473:pathology* / Q000556:secondary / Q000648:ultrastructure; D006651:Histocytochemistry; D006801:Humans; D008297:Male; D009364:Neoplasm Recurrence, Local