Intraparotid Facial Nerve Schwannoma in Childhood
Intraparotid facial nerve schwannomas are rare, slow growing encapsulated tumours that originate from the axonal nerve sheath. Preoperative diagnosis of this tumour is difficult due to varied clinical presentation and nerve site involvement. Although fine-needle aspiration cytology would be indicated, the diagnosis is usually confirmed after surgery by histopathology. The following case is reported because it is extremely rare to see schwannoma in such paediatric age group presenting as an asymptomatic parotid tumour with normal seventh nerve function. Also, on fine needle aspiration cytology and intraoperatively, it mimic pleomorphic adenoma. Although facial nerve palsy is not commonly seen in such tumour, proper preservation of this nerve is mandatory to avoid this complication post operatively and the patient should be explained about this complication preoperatively.
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