Pigmented Villonodular Synovitis of the Temporomandibular Joint: Case Report and Literature Review

Tenosynovial giant cell tumor (TSGCT) is a benign tumor that mainly affects the joints of the fingers and knees, and is considered to be extremely rare in the temporomandibular joint. In this report, we describe a case of localized TSGCT in the temporomandibular joint. The patient, a 48-year-old male, had been suffering from pain in the right temporomandibular joint and right ear for several years, and had been treated by a general practitioner based on a diagnosis of temporomandibular joint arthrosis. CT images showed a soft tissue shadow in the posterior portion of the right mandibular head, but there was no evidence of destruction of the surrounding tissue or mandibular head resorption. MR images showed a nodular lesion between the right-side mandibular head and external auditory canal with low-signal area on T1-weighted and T2-weighted images. Two years after the first admission, the patient underwent enucleation of the tumor, and a diagnosis of TSGCT was obtained by histopathological examination. Two years have passed since the surgery. The aperture has remained at 40 mm, with no evidence of recurrence.

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Pigmented Villonodular Synovitis of the Temporomandibular Joint: Case Report and Literature Review

Cited by 3 publications

References 101 publications

A case of tenosynovial giant cell tumor secondary to synovial chondromatosis in the temporomandibular joint

A case of tenosynovial giant cell tumor secondary to synovial chondromatosis in the temporomandibular joint

Tenosynovial giant cell tumor: case report and molecular investigation

顎関節に生じた限局型腱滑膜巨細胞腫の1例

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