Soft tissue
Benign vascular tumors
Hemangioma and variants

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

Revised: 4 January 2017, last major update November 2012

Copyright: (c) 2003-2017, PathologyOutlines.com, Inc.

PubMed search: soft tissue [title] hemangioma

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

Cite this page: Hemangioma and variants. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/softtissuehemangioma.html. Accessed April 28th, 2017.
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