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The authors presented a rare case of temporomandibular joint hernation into the external auditory canal. The authors discuss 1 cause of otalgia. A 52 year old male patient complained about his left ear otalgia for 3 months. Patient said that it had occurred after a painful mastication. On physical examination he had a rounded expanded mass in left ear external auditory canal that is located at the anterior-inferior wall of EAC When patient open his mouth the mass turn back to original position and mass was disappeared. Magnetic resona