Radiography versus computed tomography for osseous staging of Kienböck's disease.

This retrospective study compared the diagnostic accuracy of conventional radiography (CR) and computed tomography (CT) in classifying Kienböck's disease (KD) according to Lichtman staging. Besides age, cartilage condition and vascularity, bone morphology is important in choosing the most appropriate treatment in KD. In 278 patients, two musculoskeletal radiologists performed a consensus reading of 281 lunate necroses according to the Lichtman classification, based on CR and CT.

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Background: Because of its form, size and position, the scaphoid is known to be the foundation stone of the carpus, with an exceptionally important biomechanical function. Therefore evaluation of fracture morphology is essential. Experts already agree that computed tomography (CT scan) in the long axis of the scaphoid is the best approach for diagnosing scaphoid fractures, but also for therapy planning.