A Case Report on Facial Nerve Schwannoma
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 10
Abstract
Abstract: Schwannoma is a benign nerve sheath tumour made up of Schwann cell, which normally produce the insulating myelin sheath, the nerve covering. Vestibular schwannoma are the most common, arising from vestibulocochlear nerve. Facial nerve schwannoma are uncommon slow growing benign tumor involving the 7th nerve. Most common site of involvement is geniculate ganglion. They compose only 0.8% of all intrapetrous mass lesions. No definite pattern of presentation and can easily be misdiagnosed and untreated. High degree of suspicion and early imaging scan lead to diagnosis. An early diagnosis of facial nerve schwannoma is important as the morbidity associated with these condition as well as surgery increases with the delay in diagnosis. Facial nerve palsy is the most common presentation. In the present study a case of 28 yrs young male presented with left sided facial nerve palsy with decreased hearing. The patient underwent modified radical mastoidectomy with type 4 tympanoplasty and the histopathological examination report came out to be facial nerve schwannoma. Patients facial nerve function and hearing improved after 3 months following operation.
Authors and Affiliations
Jyotirmoy Phookan, Arjun Roy
Keywords
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