ISSN : 2663-2187

Facial nerve schwannoma: Case report

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Dr. Jagadish Chandra, Dr. M. Vijaya Kumar , Dr. Ashwin K Harekal, Dr. Vinayakrishna K , Dr. Mufaddal Patanwala
» doi: 10.48047/AFJBS.6.15.2024.3987-3994

Abstract

Facial nerve schwannoma or FNS is the commonly seen primary tumour of the FN i.e., facial nerve even though there is very less estimated prevalence.[1] FNS is a slow-growing benign tumour made up of Schwann cells that can exist for years before causing symptoms.[2] The clinical features of FNS may vary based on the anatomy and extended course of facial nerve. The clinical manifestation seen most often is due to dysfunction of facial nerve due to mass compression, which is commonly accompanied by loss of hearing, discomfort, vertigo and sometimes a parotid mass formation. [3] There have been little over 600 instances recorded in the literature till date. Since majority of case studies includes lower sample size i.e., patients count and variety of treatment results, there are no clear guidelines for managing FNS. [4] FNS management is very difficult, however there are various alternatives available. [3] The various feasible treatment options include observation of patient, excision of facial nerve with or without fascicle sparing procedure, stereotactic radiation therapy and decompression of facial nerve. The complete cure can be achieved only with complete surgical resection but the outcome of surgical resection may vary in wider sense. [5] Henceforth, a case of intraparotid schwannoma was presented in this article with 57-year-old woman who reported to Oral and maxillofacial surgery department of Yenepoya dental college. We also do a literature review on preoperative symptoms, surgical treatment, and outcomes. The patient was presented with House-Brackmann grade V palsy after first day of post operative procedure which was then changed to HB grade 4 after one month of rehabilitation and medical therapy follow up. It was one of the rare scenario which made us to come up with this case report with detailed review on its diagnostic and surgical intervention. [6]

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