Figure 7a. Early neuropathic osteoarthropathy in a 49-year-old diabetic man who complained of foot pain and swelling. The patient had no history of trauma or unusual activity. (a) Axial T1-weighted MR image shows a serpentine band of low signal intensity in the lateral cuneiform bone representing a subchondral fracture (short arrows). Adjacent low-signal-intensity bone marrow edema is also present within the proximal third metatarsal bone (long arrows). (b) Axial gadolinium-enhanced fat-suppressed T1-weighted MR image shows contrast enhancement of periarticular bone (arrows) and adjacent soft tissues.