PRIMARY LYMPHOMA OF THE CALCANEUS

Primary non-Hodgkin's lymphoma (NHL) of bone is a rare condition. Pres ented herein is a case of primary NHL of the calcaneus illustrating ma ny of the classic features of the disease. Emphasized in this report a re the nonspecific clinical and conventional radiographic features of primary NHL of bone, which may mimic inflammatory, neuropathic, infect ious, or other neoplastic conditions of the extremities. The importanc e of early cross-sectional radiologic studies, such as magnetic resona nce imaging, lies in the early characterization of the mass-like featu res and local extent of such lesions, helping to raise the suspicion o f neoplastic disease.