Definition of Cavernous hemangioma

Cavernous hemangioma: A type of hemangioma composed of blood-filled 'lakes' and channels. A cavernous henangioma is raised and red or purplish. Small cavernous hemangiomas on the surface of the body may be removed or treated by electrocoagulation. Surgery is sometimes needed.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=21005
Last Editorial Review: 3/30/2012