A case of schwannoma in the pterygomandibular space

Abstract

Schwannoma is a benign tumor derived from the Schwann cells. This tumor is relatively rare in the oral and maxillofacial region, and schwannoma in the pterygomandibular space is extremely rare. This report describes a case of schwannoma in the pterygomandibular space. A 58-year-old woman presented with swelling and discomfort of the lateral oropharynx on the right side. Magnet resonance imaging showed a T2 high-signaldensity mass, measuring 35 mm × 30 mm, in the pterygomandibular space. We performed a biopsy under general anesthesia. Histopathologically, the mass was diagnosed as a schwannoma.The tumor was surgically removed under general anesthesia. There was no evidence of recurrence 2 years postoperatively.