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Isolated Dislocation Of Carpal Scaphoid: A Case Report

机译:腕舟骨孤立性脱位:一例报告

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Scaphoid dislocation is an uncommon injury. This results from a forced dorsiflexion-supination force upon the hand. The proximal pole of scaphoid come to lie over radial styloid which is commonly fractured and depressed. Reduction is difficult to achieve by manipulation and open reduction is usually necessary. At the same time radial articular surface may be reduced and fixed by one or more fine k-wires. Isolated dislocation of scaphiod implies not only a rupture of the volar radiocarpal ligament but its capsular attachments to the lunate, capitates and the trapezium, the whole scaphoid may undergo avascular necrosis. We report a case of this rare injury which was missed before the patient presented to us. Case History A 22 year old male presented to the outdoor department ten days after sustaining an injury to his right dominant wrist in a road traffic accident. He complained of pain, swelling and deformity of the right wrist. Examination of the right wrist revealed swelling, tenderness, ulnar deviation & a palpable prominence over the radial aspect of the wrist without any neurovascular deficit (Fig.1 &2). There was no other associated bony injury.
机译:舟骨脱位是罕见的损伤。这是由于手上强加了背屈向上的力量。舟骨的近端位于放射状茎突上,该茎突通常骨折并凹陷。通过操作难以实现还原,通常必须进行开放还原。同时,可以通过一根或多根细的k线缩小并固定径向关节表面。肩ca骨的孤立脱位不仅意味着掌侧腕腕韧带断裂,而且其包囊附着于月桂,头状肌和梯形,整个舟骨可能发生血管坏死。我们报告了这种罕见的伤害病例,在患者向我们介绍之前就没有被遗漏。案例历史一名22岁的男性在一次道路交通事故中受伤,其右显性腕部受伤十天后到户外部门就诊。他抱怨右手腕疼痛,肿胀和畸形。右手腕检查发现手腕the骨肿胀,压痛,尺骨偏斜和明显凸起(图1和图2)。没有其他相关的骨损伤。

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