Iatrogenic Inner Ear Dehiscence After Lateral Skull Base Surgery: Therapeutic Dilemma and Treatment Options

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
Ryan A BartholomewCarleton Eduardo Corrales

Abstract

To describe a series of patients with iatrogenic inner ear dehiscence after lateral skull base surgery and discuss treatment options. Three patients with history of recent lateral skull base surgery, symptoms consistent with inner ear dehiscence, and radiographically proven bony dehiscence on postoperative imaging. All patients were initially managed conservatively with serial outpatient visits. Two patients with large cochlear and vestibular dehiscences had round window reinforcement procedures. One patient had transmastoid resurfacing for repair of an iatrogenic posterior semicircular canal dehiscence. Anatomical location of dehiscences; treatment options; subjective auditory and vestibular symptoms pre-dehiscence, post-dehiscence and after dehiscence repair; pre- and post-audiogram when available. Patient ages were 46, 52, and 60 with two of three being women. None of the patients had subjective auditory or vestibular symptoms of inner ear dehiscence before initial skull base surgery, but they all had development of these symptoms afterwards. All patients were initially managed conservatively, but all ultimately required a surgical procedure. The two patients who elected for round window reinforcements, and the one patient w...Continue Reading

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Citations

Jan 25, 2020·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Joshua A LeeHabib G Rizk

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