An AV fistula. A<unk> , also<unk> -Brescia fistula, surgically created arteriovenous fistula and (less precisely) arteriovenous fistula (often abbreviated AV fistula or AVF), is a type of vascular access for hemodialysis. It is typically a surgically created connection between an artery and a vein in the arm, although there have been acquired arteriovenous fistulas which do not in fact demonstrate connection to an artery. Surgically created AV fistula
Cimino fistula
Collaural fistula
Urachal fistula
Anal fissure
Punctal plug
Galactocele
Urachal diverticulum
Urachal cyst