单纯性下尺桡关节掌侧脱位：一种新的损伤机制：病例报告。
Isolated palmar dislocation of distal radioulnar joint: a new mechanism of injury: a case report.
机构信息
Department of Gastrointestinal Surgery, The First Affiliated Hospital, Zhejiang University, # 79Qingchun Road, Hangzhou, Zhejiang Province, People's Republic of China, 310003.
Department of Orthopedics, The First Affiliated Hospital, College of Medicine, Zhejiang University, #79 Qingchun Road, Hangzhou, Zhejiang Province, People's Republic of China, 310003.
出版信息
BMC Musculoskelet Disord. 2019 Aug 9;20(1):368. doi: 10.1186/s12891-019-2734-6.
BACKGROUND
Isolated palmar dislocation of distal radioulnar joint is a rare injury. It can easily lead to misdiagnosis. Previous literature reports were all rotation violence. We reported a patient with direct impact violence.
CASE PRESENTATION
We report a 31-year-old male laborer presented to our hospital with an acute trauma. Severe tenderness and limited mobility were seen in his right wrist. He received an x-ray film examination and diagnosed as the isolated palmar dislocation of distal radioulnar joint. The treatment was closed reduction and splint fixation. After half a year, the patient gained a functional recovery of his previously afflicted wrist.
CONCLUSIONS
To the best of our knowledge, this is the first case of isolated palmar dislocation of distal radioulnar joint caused by a direct impact violence. Patients and physicians should be aware of the properties of this mechanism of injury so that early diagnosis and treatment can be achieved.
背景
单纯性下尺桡关节掌侧脱位较为少见，易误诊。既往文献报道均为旋转暴力所致，我们报告 1 例直接撞击暴力所致的单纯性下尺桡关节掌侧脱位。
病例介绍
我们报告了 1 例 31 岁男性劳动者，因急性创伤就诊。其右手腕部有严重压痛和活动受限。行 X 线片检查，诊断为单纯性下尺桡关节掌侧脱位。给予闭合复位和夹板固定。半年后，患者患腕功能恢复良好。
结论
据我们所知，这是首例由直接撞击暴力引起的单纯性下尺桡关节掌侧脱位。患者和医生都应该了解这种损伤机制的特点，以便做到早期诊断和治疗。
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