顎関節に発生したびまん型腱滑膜巨細胞腫の1例

• Published in: 日本口腔外科学会雑誌 Vol. 63; no. 4; pp. 204 - 209
• Main Authors: 吉田, 俊一, 大山, 定男, 莇生田, 整治, 小川, 千晴, 船田, 信顕, 内田, 育宏
• Format: Journal Article
• Language: Japanese
• Published: 社団法人 日本口腔外科学会 20.04.2017
• Subjects: びまん型; 腱滑膜巨細胞腫; 顎関節
• ISSN: 0021-5163; 2186-1579
• DOI: 10.5794/jjoms.63.204

Tenosynovial giant-cell tumors are classified into diffuse and localized types. The diffuse type develops primarily in major joints and rarely in the temporomandibular joint. We report a diffuse-type tenosynovial giant-cell tumor that developed in the temporomandibular joint, along with a discussion of the literature. A 27-year-old woman visited our hospital because of pain in the right temporomandibular joint and difficulty in mouth opening as chief complaints. Radiological examination showed a lesion in the right side of the temporomandibular joint. The histopathological diagnosis on biopsy was a tenosynovial giant-cell tumor of the diffuse type, and we performed tumor excision with the patient under general anesthesia. There has been no evidence of recurrence as of 3 years 2 months after the operation. However, continuous strict follow-up is needed in consideration of the high recurrence rates.