Transpterygoid Approach to a Dermoid Cyst in Pterygopalatine Fossa

Objective  To describe a case of dermoid cyst arising from the pterygopalatine fossa and review the literature. Methods  We report a case of a 23-year-old man who suffered a car accident 2 years before otolaryngologic attendance. He had one episode of generalized tonic-clonic seizure and developed a reduction of visual acuity of the left side after the accident. Neurologic investigation was performed and magnetic resonance imaging revealed an incidental finding of a heterogeneous ovoid lesion in the pterygopalatine fossa, hyperintense on T2-weighted imaging. Results  Endoscopic sinu...