Abstract
Ganglion cysts are benign soft tissue tumours occurring in or near joints such as the wrist, foot or knee. They are rarely encountered in the region of the temporomandibular joint (TMJ). The authors report a ganglion cyst of the TMJ in a 56-year-old woman. The patient experienced pain and presented with a prominence in the right TMJ region, anterior to the tragus. She had some divergence in skin sensation in the right mental region of mandible. Magnetic-resonance imaging showed a rounded hypodense mass of soft tissue lateral to the right TMJ region. The surgical excision of the tumour was performed through a preauricular approach extending to the temporal region. During the 6-month postoperative follow-up there was no sign of recurrence. Surgical excision should be the treatment of choice for ganglion cysts in the region of TMJ.
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