The majority of acquired arteriovenous fistula in the neck are caused by penetrating trauma from gunshot or stab wounds 3.
An arteriovenous fistula is an abnormal channel or passage between an artery and a vein.
An arteriovenous fistula is a disruption of the normal blood flow pattern.
Congenital arteriovenous fistula is rare.
Acquired arteriovenous fistula is also uncommon in children.