Soft tissue
Benign vascular tumors
Hemangioma and variants

Author: Vijay Shankar, M.D.

Revised: 31 January 2018, last major update November 2012

Copyright: (c) 2002-2018,, Inc.

PubMed search: soft tissue [title] hemangioma

Related topics: anastomosing, capillary, cavernous, intramuscular, large vessel, microvenular, pyogenic granuloma, symplastic

Page views in 2018: 16,221
Page views in 2019 to date: 2,159
Cite this page: Shankar, V. Hemangioma and variants. website. Accessed February 15th, 2019.
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
Microscopic (histologic) 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