Musculoskeletal ImagingMueller - weiss syndrome
spontaneous atraumatic osteonecrosis of the tarsal navicular bone in adults. On radiographs medial or dorsal protrusion of part or all of the navicular bone and a comma-shaped deformity due to collapse of the lateral portion of the bone are evident (Fig.1). Pathologic fractures are also seen in this disease. Mueller Weiss syndrome differs from the well-recognized osteochondrosis of the tarsal navicular bone occurring in children, also termed Kohlers disease. The cause is unknown; patients may have severe and sometimes devastating pain, disability and progressive deformity.
DR/RB
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AP radiograph of the feet (a) and a lateral radiograph of the left foot (b) demonstrate collapse of the lateral and dorsal portion sof the navicular bones. The lateral radiograph shows dorsal extrusion of a fragmented portion of the navicular bone.
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Mueller - weiss syndrome, Fig.1 (a) | | Mueller - weiss syndrome, Fig.1 (b) | |