A young man following A presented with proptosis and pain in right eye after four days. On examination there is bruise on forehead and right eye. What is the diagnosis:: (A) Cavernous sinus thrombosis, (B) Internal carotid aery aneurysm, (C) Carotico-cavernous fistula, (D) Fracture of sphenoid
Answer is C. Ans. Carotico-cavernous fistula