Figure 1 Sagittal gradient-recalled echo (GRE) MR image of the right temporomandibular joint (TMJ) 9 months after arthroscopy (a) showing an obliteration of the medial compartment of the joint space (arrow) and a band-like area of low signal intensity on retrodiscal tissue (arrowhead). (b) Disk (arrow) is in normal position and configuration. C: condyle