颞下颌关节滑膜软骨瘤病2例报告

上海口腔医学 ›› 2016, Vol. 25 ›› Issue (5): 633-637.

颞下颌关节滑膜软骨瘤病2例报告

戴欣, 冯元勇, 卜令学, 宋凯, 高倩倩, 尚伟

青岛大学附属医院口腔颌面外科,山东青岛 266003

收稿日期:2015-11-03 修回日期:2015-12-21 出版日期:2016-10-25 发布日期:2016-11-10
通讯作者: 尚伟,E-mail：Liweishang@126.com
作者简介:戴欣（1988-）,女,在读硕士研究生,E-mail:xinxin0802888@163.com

Synovial chondromatosis in the temporomandibular joint: report of 2 cases

DAI Xin, FENG Yuan-yong, BU Ling-xue, SONG Kai, GAO Qian-qian, SHANG Wei

Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Qingdao University. Qingdao 266003, Shandong Province, China

Received:2015-11-03 Revised:2015-12-21 Online:2016-10-25 Published:2016-11-10

摘要/Abstract

摘要： 结合2例颞下颌关节滑膜软骨瘤病的临床表现,X线、CT和MRI特征,以及术中所见,分析发生于颞下颌关节的滑膜软骨瘤病的临床特点、诊断及治疗方法。2例患者术前均有关节区疼痛、肿胀,无开口受限。X线片见颞下颌关节间隙增宽,其中1例CT显示颞下窝关节面骨质破坏并硬化,MRI可见关节腔内多发小结节状影。术后未出现咬合紊乱及开口受限。颞下颌关节滑膜软骨瘤病少见,临床表现无特异性,好发于关节上腔,钙化性游离体是其影像学特征,组织病理学常见软骨结构样小体,伴周围组织慢性炎症及纤维增生,一般需手术治疗。

关键词: 滑膜软骨瘤病, 颞下颌关节, 游离体

Abstract: [SummaryThe clinical manifestations, radiographic findings, intraoperative view, histopathologic features of synovial chondromatosis（SC） in the temporomandibular joint (TMJ) were summarized in 2 cases. Preoperative symptoms included preauricular pain（2/2）, swelling（2/2） and limitation of mouth opening (0/2). X-ray findings showed widened joint space. The articular surface destructed and irregular stippled calcifications were seen in the infratemporal fossa by CT scan in one case. MRI showed multiple small nodular formations in the articular cavity. There was no malocclusion and limitation of mouth opening after surgery. As a rare disease of the temporomandibular joint, SC often exists in superior spaces. The clinical manifestations lack specificity. Detection of calcified loose bodies on radiography was helpful to diagnosis, while final diagnosis was dependent on histopathologic examination with characteristic cartilaginous nodules in the synovial membrane.

Key words: Synovial chondromatosis, Temporomandibular joint, Loose body

中图分类号:

R739.8

戴欣, 冯元勇, 卜令学, 宋凯, 高倩倩, 尚伟. 颞下颌关节滑膜软骨瘤病2例报告[J]. 上海口腔医学, 2016, 25(5): 633-637.

DAI Xin, FENG Yuan-yong, BU Ling-xue, SONG Kai, GAO Qian-qian, SHANG Wei. Synovial chondromatosis in the temporomandibular joint: report of 2 cases[J]. Shanghai Journal of Stomatology, 2016, 25(5): 633-637.

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