Soft tissue
Benign vascular tumors
Hemangioma

Author: Vijay Shankar, M.D. (see Authors page)

Revised: 21 September 2016, last major update November 2012

Copyright: (c) 2003-2016, PathologyOutlines.com, Inc.

PubMed search: soft tissue [title] hemangioma

Related topics: capillary, cavernous, intramuscular, large vessel, pyogenic granuloma

Definition / General
  • Common benign tumor, particularly in childhood; some may be hamartomas
  • Usually superficial (head / neck), may occur internally (1 / 3 in liver), malignant transformation rare
  • Usually localized, but may involve large segments of body (termed angiomatosis)
  • Most pediatric angiomas are present at birth and expand with growth of child; may regress at puberty
Micro Description
  • Increased number of vessels (normal / abnormal)
  • Readily recognizable vascular structures with red blood cells or transudate
  • Lined by monolayer of non atypical endothelial cells