Female 9 years old; Reason: History of JIA, please evaluate for TMJ arthritis vs mechanical problem History: pain and popping, morning stiffness, discomfort with eating On the closed-mouth views, the mandibular condyles are well-situated within the glenoid fossae bilaterally. The menisci appear situated appropriately between the condyles and the articular eminences bilaterally. No erosion or synovitis is seen on post-contrast images. On open-mouth series, the mandibular condyles remain within the glenoid fossae, the significance of which is uncertain and may reflect the patient's inability to fully open her mouth as the remainder of the joints appear normal.
Normal appearance of the temporomandibular joints. Lack of anterior translation of the mandibular condyles on open-mouth series is of uncertain clinical significance and may reflect the patient's inability to fully open her mouth as the remainder of the joints appear normal. 