There is a thread in this Discussion Forum, under Hemangioma Help, titled "Have you seen this on a tongue?" dated April 29, 2003: there you will "meet" people with experiences of laser treatmens of a venous malformation of the tongue. If you browse all the topics in this Forum, you should find others: I remember having seen one about a surgery of a tongue by Dr. Waner.
Also, you could check a Web site www.cincinattichildrens.org
. Type Venous malformations in their search window.
Lise in Montreal (AVM of the lip)