12-year-old female with JIA and history of TMJ arthritis; off therapy with worsening headaches and stiffness Right: There is redemonstration of flattening of the articular surface of the mandibular condyle representing chronic erosion. The extent of these findings is similar to the prior exam. There is mild enhancement of the synovium and bone marrow suggesting mild synovitis. There is thinning of the articular disc centrally which also appears similar to the prior exam. There is no obvious disc displacement between open and closed mouth views.Left: There is redemonstration of flattening of the articular surface of the mandibular condyle with a new articular defect indicating progression of erosion. There is similar mild synovitis compared to the right side. Thinning of the articular disc is also seen which may represent disruption. Again, there is no obvious displacement between open and close mouth views.
Inflammatory arthritis involving the temporomandibular joints bilaterally with progression of erosion on the left.