Korean J Otorhinolaryngol-Head Neck Surg.  2014 Sep;57(9):634-637. 10.3342/kjorl-hns.2014.57.9.634.

Treatment of Meningoencephalocele of Temporal Bone Occurred after Open Cavity Mastoidectomy

Affiliations
  • 1Department of Otorhinolaryngology, Biomedical Research Institute, Pusan National University School of Medicine, Busan, Korea. gohek@pusan.ac.kr

Abstract

Meningoenceophalic herniation into the external auditory canal is a rare and potentially life threatening condition that needs a surgical treatment. It can lead to potential infectious sequelae including meningitis, encephalitis, otologic brain abscess and dysfunctional herniated brain tissue can trigger epilepsy. It is caused by chronic otitis media, cholesteatoma, middle ear surgery, trauma, congenital skull base defect and irradiation. We present a case of meningoencephalic herniation into the external auditory canal that had occurred 8 years after open cavity tympanomastoidectomy, which was treated with subtemporal middle cranial fossa approach.

Keyword

Cranial fossa, middle; Mastoidectomy; Meningoencephalocele
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