Korean J Otorhinolaryngol-Head Neck Surg.
2008 Jan;51(1):84-87.
A Case Report of Brain Herniation into the Middle Ear Mimicking as Secondary Cholesteatoma Following Temporal Bone Fracture
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- 1Department of Otolaryngology, College of Medicine, Inje University College of Medicine, Ilsan Paik Hospital, Goyang, Korea. j-hoons94@hanmail.net
Abstract
- Brain herniation into the middle ear cavity is a rare entity that occurs mostly as a complication of otologic surgery. Other causes include a congenital skull base defect, infection, trauma, neoplasm and irradiation. It gives rise to cerebrospinal fluid otorrhea, progressive hearing loss, tinnitus, meningitis and other neurologic symptoms. Such patients tend to be misdiagnosed as having chronic otitis media and are often treated for long periods with inadequate conservative therapy. We report a case of brain herniation into the middle ear following traumatic temporal bone fracture, which was treated surgically via a transmastoid approach.
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