pseudoneoplastic metaplasia

Synovial chondromatosis of the temporomandibular joint with glenoid fossa erosion: disk preservation for spontaneous anatomical recovery

Synovial chondromatosis (SC) of the temporomandibular joint is a pseudoneoplastic condition characterized by benign cartilaginous metaplasia of synovial tissue mesenchymal residues with intra-articular nodule formation. TMJ involvement is rare. Interposition of loose bodies in the articular space can generate pressure, leading to glenoid fossa erosion with intracranial extension. The aim of this study was to present six SC cases with intracranial extension treated using a surgical procedure. All the patients were treated with open surgery.

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