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Case 202892

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Referral category

Temporomandibular joints (TMJ)

Region of interest

Temporal mandibular joints bilateral

Referral reason

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Canaray 202892

1. Degenerative joint disease in both TMJs

Small osteophytes are visible on the superior surfaces of both condylar heads. In addition, subchondral sclerosis and erosions are present on the superior and posterior aspects of both condylar heads. The erosions are more prominent in the right condylar head. The temporal components of the joints also exhibit subchondral sclerosis and erosions. In the mandibular closed position, the left condylar head is relatively centrally positioned in the glenoid fossa, and the right condylar head is inferiorly positioned, likely due to the presence of the osteophyte on its superior surface. This radiographic appearance is suggestive of moderate degenerative joint disease in the left temporomandibular joint and severe degenerative joint disease of the right temporomandibular joint.

Increased joint space in right mandibular open position

In the mandibular open position, the right condylar head is separated from the crest of the articular eminence by an increase joint space, due to the presence of prominent erosions on the articular surface of the articular eminence. This is supportive of the diagnosis of severe degeneration in the right temporomandibular joint

Normal left TMJ in mandibular open position

In the mandibular open position, the left condylar head is positioned at the crest of the articular eminence. The articular eminence exhibits mild erosions.

1. Buccal exostoses in maxilla

Buccal exostoses are present in the maxilla at the level of the alveolar crest. This is a non-significant incidental finding.

2. Right palatine tonsillolith

A tonsillolith is present in the right palatine tonsil. This is an incidental finding with no significance because tonsilloliths exfoliate spontaneously.

3. Calcified stylohyoid ligaments

The stylohyoid ligaments are partially calcified bilaterally. This is an incidental finding with no clinical significance.