Endoscopic Decompression of the Labyrinthine Segment of the Facial Nerve

Objective: To describe the outcome and feasibility of an exclusive endoscopic transcanal transpromontorial approach (ETTA) for decompression of the labyrinthine segment of the facial nerve (LSFN). Patient: A 60-year-old man with a left-sided transverse fracture of temporal bone involving the LSFN, resulting in a grade VI House–Brackmann (HB) facial palsy, associated with ipsilateral total sensorineural hearing loss. Intervention: Surgical decompression of the LSFN by ETTA. Main Outcome Measure: The patient underwent ETTA which allowed complete exposure and decompression of the LSFN. Results: One year postoperatively, the patient had recovered with House–Brackmann grade II facial function. Conclusion: ETTA can be considered a valuable and appropriate technique for posttraumatic decompression of LSFN, associated with unilateral total sensorineural hearing loss. The procedure resulted in significant facial nerve function improvement. ETTA should be considered both a scarless, mastoid conserving and less invasive surgical technique for posttraumatic LSFN decompression associated with pre-existing cochlear impairment.

Citation

Cornu, N., Marchioni, D., Eliezer, M., Verillaud, B., Hautefort, C., Green, A., Marc, M., Bresson, D., Froelich, S., Herman, P., & Kania, R. (2020). Endoscopic Decompression of the Labyrinthine Segment of the Facial Nerve. Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology, 41(10), 1433–1437. https://doi.org/10.1097/MAO.0000000000002808

DOI

10.1097/MAO.0000000000002808

URI

https://hdl.handle.net/20.500.14709/908