Japanese Journal of Oral and Maxillofacial Surgery
Online ISSN : 2186-1579
Print ISSN : 0021-5163
ISSN-L : 0021-5163
Case report
A case of schwannoma in the pterygomandibular space
Yoshitaka TANIGUCHI, Kazuhiko URABE, Shinichiro HIRAOKA, Masaaki KIMATA, Ryuji KITAMURA
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Keywords: schwannoma, pterygomandibular space
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2009 Volume 55 Issue 9 Pages 458-462

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Abstract
Schwannoma is a benign tumor derived from the Schwann cells. This tumor is relatively rare in the oraland maxillofacial region, and schwannoma in the pterygomandibular space is extremely rare. This reportdescribes a case of schwannoma in the pterygomandibular space. A 58-year-old woman presented with swellingand discomfort of the lateral oropharynx on the right side. Magnet resonance imaging showed a T2 high-signaldensitymass, measuring 35 mm × 30 mm, in the pterygomandibular space. We performed a biopsy under generalanesthesia. 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.
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© 2009 Japanese Society of Oral and Mxillofacial Surgeons
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