Fig. 3From: Tarsal tunnel syndrome secondary to osteochondroma of the calcaneus: a case reportPreoperative MRI scans show the high T2 signal intensity mass extended from the sustentaculum tali occupying the tarsal tunnel (a, b). The fatty bone marrow is seen on the central portion of the mass, continuously with the marrow cavity of the underlying bone, surrounded by thin cartilaginous cap (arrows)Back to article page