Vascular tumors affect the head and neck commonly but arteriovenous malformations are rare. Vascular malformations are often present at birth and grow with the patient. usually only becoming significant later in childhood. Embolization has been the mainstay of treatment in massive and complex arteriovenous malformations. https://kedmmsjqg4be.timeblog.net/70683134/computerbasiert-prüfen-computer-based-assessment