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Kienböck Disease (Posteroanterior X-Ray)

This posteroanterior x-ray of the right wrist shows cysts and sclerosis of the lunate bone (arrow) typical of Kienböck disease. The metal plate is evidence of a radial shortening osteotomy that was done in an effort to unload the lunate and potentially treat this condition.

X-ray courtesy of David R. Steinberg, MD.