桡尺远侧关节孤立性掌侧脱位：一例报告
Isolated Volar Dislocation of the Distal Radioulnar Joint: A Case Report.
作者信息
Dukan Ruben, Kassab Hassan S, Delvaque J G, Khaled I, Nizard R
机构信息
Department of Orthopaedic Surgery, University Hospital Lariboisiere, 75010, Paris.
出版信息
J Orthop Case Rep. 2020;10(2):97-100. doi: 10.13107/jocr.2020.v10.i02.1716.
INTRODUCTION
Isolated dislocation of the distal radioulnar joint (DRUJ) is a rare phenomenon. Approximately 50% of isolated DRUJ dislocations are undiagnosed or diagnosed late with significant functional consequences. This clinical injury is rarely described in the literature and management is not well established. We reported a case of volar DRUJ dislocation early diagnosed.
CASE REPORT
A 36-year-old man was diagnosed with an isolated volar dislocation of the DRUJ. The clinical examination, X-rays, and computed tomography scan allowed an early diagnosis. A reduction by external maneuvers was performed and the patient was immobilized in an above elbow plaster cast for 6 weeks. Magnetic resonance imaging did not reveal any capsuloligamentous lesions requiring surgery. Evolution was favorable.
CONCLUSION
Isolated volar dislocation of the DRUJ is an uncommon injury which can be easily missed. Missed or late diagnosis may lead to significant morbidity. Early diagnosis and treatment of such injuries usually results in excellent functional recovery.
引言
桡尺远侧关节（DRUJ）孤立性脱位是一种罕见现象。约50%的DRUJ孤立性脱位未被诊断或诊断较晚，导致严重的功能后果。这种临床损伤在文献中很少被描述，治疗方法也尚未明确确立。我们报告了一例早期诊断的掌侧DRUJ脱位病例。
病例报告
一名36岁男性被诊断为DRUJ孤立性掌侧脱位。通过临床检查、X线和计算机断层扫描得以早期诊断。采用手法复位，患者用上臂石膏固定6周。磁共振成像未发现需要手术治疗的关节囊韧带损伤。恢复情况良好。
结论
DRUJ孤立性掌侧脱位是一种罕见损伤，容易被漏诊。漏诊或诊断延迟可能导致严重的发病率。此类损伤的早期诊断和治疗通常可实现极佳的功能恢复。
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