A hemangioma consists of an abnormally dense group of extra blood vessels. It's not clear what causes the blood vessels to group together, although there may be a hereditary component involved.
July 30, 2013
- Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed June 21, 2013.
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- Metry DW. Epidemiology, pathogenesis, clinical features and complications of infantile hemangiomas. http://www.uptodate.com/home. Accessed June 21, 2013.
- Metry DW. Management of infantile hemangiomas. http://www.uptodate.com/home. Accessed June 21, 2013.
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