[Dural fistula of the lateral sinus. Apropos of 2 recent cases]

On the basis of two recent cases of dural fistula of the lateral sinus, the authors review the literature relating to this type of arteriovenous fistulae. The development of selective arteriographic techniques has allowed better knowing them, ensurgin the diagnosis and also treating them with embolization techniques. The role of the ENT specialist is no less important: during the clinical stage, it for him to recognize the pulsatile character of a tinnitus and to demonstrate it in order to establish the diagnosis.