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Uncalibrated digital radiographs used in multicenter trials hinder quantitative measures such as articular step and ulnar variance. This investigation tested the reliability of alternative measures of ulnar variance that are scaled to the length of the capitate. A sample of 30 sets of radiographs from patients enrolled in a prospective study of operative treatment of fractures of the distal radius...
Introduction Avascular necrosis of the capitate head is a rare condition commonly treated with partial wrist fusion. Although good functional results are usually reported, a degree of stiffness is to be expected. We report a pyrocarbon interposition arthroplasty technique in a young sportsman with 3.5 years of follow-up. Methods A 15-year-old rugby player presented with a 6-month history of wrist...
Background There are three morphologies of the capitate based on its lunate and scaphoid articulations: flat, spherical, and V-shaped. Following a proximal row carpectomy (PRC), the capitate articulates with the lunate facet of the radius, altering contact biomechanics at the radiocarpal joint. Therefore, capitate morphology may influence contact pressures at the capitolunate articulation and influence...
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