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目的 探讨尺骨撞击综合征的普通X线表现.资料与方法 分析符合临床和X线诊断标准的28例尺骨撞击综合征患者的腕关节正位片,着重分析尺骨头、月骨和三角骨改变.结果 28例患者中,多数患者存在尺骨阳性变异(92.9%).共40块骨出现骨质异常,依次为月骨24块(60%),三角骨10块(25%),尺骨头6块(15%);表现为骨质硬化11块(27.5%)、囊变6块(15%)、硬化和囊变同时存在23块(57.5%).结论 普通X线片对尺骨撞击综合征的诊断有重要的参考价值.“,”Objective To study the X-ray appereance of ulnar impaction syndrome. Materials and Methods 28 patients with ulnar impaction syndrome (the diagnosis were made base on physical examinations and imaging findings) performed conventional posteroanterior radiography of the wrists. X-ray appereance especially bone changes in the ulnar head, lunate bone and triquetral bone were evaluated. Results Most of the cases had positive ulnar variance (92.9%). 40 bones were abnormal (24 cases of lunate bone, 10 cases of triquetral bone and 6 cases of ulnar head). Bone abnormity included subchondral sclerosis(11 cases, 27.5%), cystic change (6 cases, 15%) , sclerosis and cystic change (23 cases, 57.5%). Conclusion Conventional radiography has improtant value in the diagnosis ulnar impaction syndrome.