Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
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The synovial chondromatosis of the temporomandibular joints: review of the 4 cases

측두하악관절의 활액성 연골종증 4예

  • Lee, Dong-Hyun (Department of Oral and Maxillofacial Surgery, Mokdong Hospital, Ewha Womans University School of Medicin) ;
  • Shin, Jung-Sub (Department of Oral and Maxillofacial Surgery, Mokdong Hospital, Ewha Womans University School of Medicin) ;
  • Kwak, Ju-Hee (Department of Oral and Maxillofacial Surgery, Mokdong Hospital, Ewha Womans University School of Medicin) ;
  • Kim, Jin-Woo (Department of Oral and Maxillofacial Surgery, Mokdong Hospital, Ewha Womans University School of Medicin) ;
  • Kim, Sun-Jong (Department of Oral and Maxillofacial Surgery, Mokdong Hospital, Ewha Womans University School of Medicin) ;
  • Kim, Myung-Rae (Department of Oral and Maxillofacial Surgery, Mokdong Hospital, Ewha Womans University School of Medicin)
  • 이동현 (이화여자대학교 의학전문대학원 목동병원 치과학교실 구강악안면외과) ;
  • 신정섭 (이화여자대학교 의학전문대학원 목동병원 치과학교실 구강악안면외과) ;
  • 곽주희 (이화여자대학교 의학전문대학원 목동병원 치과학교실 구강악안면외과) ;
  • 김진우 (이화여자대학교 의학전문대학원 목동병원 치과학교실 구강악안면외과) ;
  • 김선종 (이화여자대학교 의학전문대학원 목동병원 치과학교실 구강악안면외과) ;
  • 김명래 (이화여자대학교 의학전문대학원 목동병원 치과학교실 구강악안면외과)
  • Received : 2009.11.26
  • Accepted : 2010.03.26
  • Published : 2010.04.30
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Abstract

Synovial condromatosis of the temporomandibular joint (TMJ) is characterized by the presence of loose bodies (joint mices). It can be confused with temporomandibular disorder clinically, and be with chondrosarcoma histologically. The purpose of this clinical report was to review the clinical, radiological, arthroscopic findings, histological feature and the results of surgical treatment of TMJ synovial chondromatosis. Four patients presented with pain of TMJ and limited mouth opening. The dynamic magnetic resonance imaging (MRI) disclosed a characteristic morphologic changes and displacement of the meniscus with limited translation of the condyle head. Bone scans showed progressive resorptive changes with hot-uptake of the radioisotope. The synovial loose bodies in the joint spaces were removed and sent to pathology for diagnosis as the synovial chondromatosis. The follow-up examination with computed tomography (CT) and MRI revealed no evidence of recurrence and good in function until postoperative 18 months. Diagnostically, the distension of the lateral capsule and fluid findings in the joint on the MRI are very suggestive tool for this synovial chondromatosis, but they are not always detected on the preoperative MRI. Arthroscopic approaches are very useful to inspect the joint spaces and to remove the loose bodies without interruption of the whole synovial membranes.

Keywords

References

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  1. Synovial Chondromatosis of the Temporomandibular Joint: A Case Report vol.6, pp.2, 2010, https://doi.org/10.5856/jkds.2013.6.2.87