J Korean Assoc Oral Maxillofac Surg.  2017 Oct;43(5):336-342. 10.5125/jkaoms.2017.43.5.336.

Temporomandibular joint synovial chondromatosis extending to the temporal bone: a report of two cases

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, Gangnam Severance Hospital, Yonsei University College of Dentistry, Seoul, Korea. omshuh@yuhs.ac
  • 2Department of Oral Pathology, Oral Cancer Research Institute, Yonsei University College of Dentistry, Seoul, Korea.
  • 3Department of Oral and Maxillofacial Radiology, Yonsei University College of Dentistry, Seoul, Korea.
  • 4Department of Dentistry, Yongin Severance Hospital, Yongin, Korea.

Abstract

Synovial chondromatosis is a rare benign lesion originating from the synovial membrane. It presents as adhesive or non-adhesive intra-articular cartilaginous loose bodies. Although the causes of synovial chondromatosis have not been fully elucidated, inflammation, external injury, or excessive use of joints have been suggested as possible causes. Synovial chondromatosis has been reported to occur most frequently at large joints that bear weights, with a rare occurrence at the temporomandibular joint (TMJ). When synovial chondromatosis develops at TMJ, clinical symptoms, including pain, joint sounds, and mouth opening may common. Moreover, synovial chondromatosis rarely spreads to the mandibular condyle, glenoid cavity, or articular eminence of TMJ. The goal of this study was to discuss the methods of surgery and other possible considerations by reviewing cases of patients who underwent surgery for synovial chondromatosis that extended to the temporal bone.

Keyword

Synovial chondromatosis; Temporal bone; Temporomandibular joint

MeSH Terms

Adhesives
Arthralgia
Chondromatosis, Synovial*
Glenoid Cavity
Humans
Inflammation
Joints
Mandibular Condyle
Mouth
Synovial Membrane
Temporal Bone*
Temporomandibular Joint*
Weights and Measures
Adhesives
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