MADELUNG’S DEFORM RADIOGRAPHIC COMPARISON WITH NORMAL WRISTS

rine ol den ent me efo ith sa ng ea em measureme severity o subsidence ment. Thes axis of the common t patients wi these meas radiological abnormality. It focuses on the difference gnoses of ions and subjects On each ulnar tilt, ar carpal oll et al., ments on the 48 sets of radiographs of patients with J Hand Surg Eur Vol OnlineFirst, published on August 11, 2008 as doi:10.1177/1753193408092496The following measurements were previously reported (McCarroll et al., 2005) on 48 sets of PA and lateral In patients with Madelung’s deformity, ulnar tilt ranged from 161 to 631 (mean 40.91). Ulnar tilt values in normal wrists ranged from 61 to 281 (mean 17.31) (Fig 2A). Niner 2008 The British Society for Surgery of the Hand. Published by SAGE. All rights reserved.between patients with Madelung’s deformity and indivi-duals with a normal wrist with specific attention to the borderline between normal and abnormal. We are unaware of any previous report comparing these measurements. METHODS Madelung’s deformity. The range and mean of each set of measurements is reported and the overlap of values is documented. RESULTSgroup of patients with Madelung’s deformity with measurements on a set of radiographs of wrists without These measurements of normal radiographs were compared graphically with the senior author’s measure-SAGE Publicaoll et al. (2005) defined four radiographic nts that reliably and reproducibly quantify the f Madelungs’s deformity: ulnar tilt, lunate, lunate fossa angle and palmar carpal displace-e measurements are made from the longitudinal ulna and, therefore, differ substantially from the echniques used to study the distal radius in th fractures and malunions. This study compares urements on wrists of the previously reported such as osteoarthritis, osteochondromatosis a plastic thumb, were excluded. The clinical dia these patients included minor sprains, contus carpal tunnel syndrome. The age of these ranged from 26 to 54 years (mean 40.3 years). set of radiographs the senior author measured lunate subsidence, lunate fossa angle and palm displacement as described previously (McCar