Fig. 2. A 57-year-old male presenting with debilitating tinnitus. (A) Lateral angiogram demonstrating a petroclival tentorial dural arteriovenous fistula with feeders from the inferolateral trunk and meningohypophyseal trunk. (B) Lateral angriogram with external carotid artery injection demonstrating feeders from the middle meningeal artery (MMA) and occipital artery. (C) Digital subtraction image demonstrating distal catheter access via the MMA. (D) Final Onyx (Medtronic) cast demonstrating obliteration of the fistula.