Rare Cause of Tinnitus: Spontaneous Temporomandibular Joint Herniation Into the External Auditory Canal

The herniation of temporomandibular joint (TMJ) into external auditory canal (EAC) may occur due to trauma, neoplastic, infectious, and inflammatory processes. On the other hand, spontaneous herniation of TMJ into EAC is an extremely rare conduction and occurs as a consequence of patent retention of foramen of Huschke (FH). Patent FH is usually an asymptomatic situation. In this article, a patient having otologic symptoms as a result of spontaneous herniation of TMJ into EAC was presented in the light of current literature. Address correspondence and reprint requests to Suha Ertugrul, MD, Sirinevler Mahallesi, Alpaslan Caddesi, no 1, Merkez, Karabuk, Turkey; E-mail: drsuhaertugrul@hotmail.com Received 31 October, 2017 Accepted 26 February, 2018 The authors report no conflicts of interest. © 2018 by Mutaz B. Habal, MD.

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