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S074: STAGE I GREAT AURICULAR NERVE GRAFTING TO BRIDGE THE EXTRACRANIAL SEGMENT AND CISTERNAL SEGMENT OF THE FACIAL NERVE CAN EFFECTIVELY IMPROVE FACIAL PARALYSIS IN PATIENTS WITH FACIAL NERVE SCHWANNOMAS
Xuesong Liu; Jia Yang; The First Affiliated Hospital, Sun Yat-Sen University

Objective: To study the improvement of facial paralysis in patients with facial nerve schwannomas by Stage I great auricular nerve anastomosis between the extracranial segment and cisternal segment of the facial nerve.

Methods: A retrospective analysis was performed on 16 patients with facial nerve schwannomas admitted to our group from 2016 to 2024. All patients underwent microsurgery via the transmastoid approach, with routine intraoperative electrophysiological monitoring. Preoperatively, all 16 patients had facial nerve function graded as IV-VI. All patients received Stage I great auricular nerve anastomosis to connect the extracranial segment and cisternal segment of the facial nerve. Clinical data were analyzed, and the improvement rate of facial paralysis was evaluated.

Results: This study included 16 patients with facial nerve schwannomas. Postoperatively, 14 patients had facial nerve function graded as I-II. The improvement rate of facial paralysis was 87.5% (14/16), and the total tumor resection rate was 100% (16/16).

Conclusion: Stage I great auricular nerve anastomosis between the extracranial segment and cisternal segment of the facial nerve can effectively improve facial paralysis in patients with facial nerve schwannomas.

 

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