OBJECTIVETo explore the clinical classification and ideal therapy for maxillofacial AVMs.

METHODSAccording to the clinical characteristics, 106 patients with maxillofacial AVMs were divided into the 4 types Of them, 38 cases were cystic dilatation lesions, 22 cases were limited thicken lesions, 42 case were diffuse thicken lesions, 4 cases were central maxillary hemangioma. 106 patients with maxillofacial AVMs were treated in our hospital, of them, 8 cases received operation (group 1); 23 cases received embolization of supplying artery alone (group 2); 37 cases received embolization of supplying artery plus hardener intra-tumorous injection (group 3); 38 cases received embolization of supplying artery plus tumor resection (group 4).

RESULTSOf all the patients were followed up 1 - 11 years, In group 1, 2, 3, and 4, the cure rates is 62.50%, 17.39%, 89.19%, and 97.37% respectively. one patient died of embolization of abnormal communication branches between external carotid and intra-cranical arteries.

CONCLUSIONS(1) This new clinical classification is beneficial for selecting method of treatment. (2) It is necessary that a good digital subtraction angiography for maxillofacial AVMs. (3) The embolization of tumor supplying artery alone could cure the small AVM with single branch terminal blood supply. (4) The embolization of supplying artery plus hardener intratumorous injection or the embolization of supplying artery plus tumor resection is an effective method for maxillofacial AVMs.