Soft tissue
Benign vascular lesions
Port wine stain

Author: Vijay Shankar, M.D.

Revised: 31 January 2018, last major update November 2012

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

PubMed search: Port wine stain [title]

Related topics: Vascular ectasias

Cite this page: Shankar, V. Port wine stain. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/softtissuevascularectasiasportwine.html. Accessed June 21st, 2018.
Definition / general
  • Type of nevus flammeus
  • May grow proportionately with the child and thicken the skin surface
  • Those in distribution of trigeminal nerve are associated with Sturge-Weber syndrome (encephalotrigeminal angiomatosis), a rare congenital disorder with venous angiomatous masses in leptomeninges over cortex, ipsilateral port wine nevi, mental retardation, seizures, hemiplegia, skull radiopacities
  • Attributed to faulty development of mesodermal and ectodermal elements
Microscopic (histologic) images
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Infant