Keywords: فیستول کاروتید-کاورنوز; Carotid cavernous fistula; Cavernous sinus; Endovascular treatment; Transvenous embolization; Onyxâ¢; Fistule carotido-caverneuse; Sinus caverneux; Traitement endovasculaire; Veine faciale; Embolisation transveineuse; Onyxâ¢;