title: Importance of microscopic vascular invasion in primary cutaneous malignant melanoma.
abstract: Invasion into blood vessels by malignant melanoma at the primary cutaneous site is a superior discriminant for an adverse prognosis. However, until the question of relative prognostic values is resolved conclusively, surgical pathologists should document the collection of histopathologic observations recommended by McGovern and co-conferees.
mesh_terms: D001808:Blood Vessels / Q000473:pathology*; D006801:Humans; D008545:Melanoma / Q000473:pathology*; D009361:Neoplasm Invasiveness; D011379:Prognosis; D012189:Retrospective Studies; D012878:Skin Neoplasms / Q000473:pathology*