A case of acute trans-scaphoid volar dislocation of the lunate into the distal forearm

Khayarin, Mohamed Al; Dosari, Mohamed Al Ateeq Al; Basith, Shibly Abdul; Waseemuddin, Mohammed

doi:10.1016/j.joad.2016.03.015

Cited by 1 publication

(1 citation statement)

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“…Until today, this pattern of injury in international literature has been reported in eight cases [5]. Al Khayarin et al [6] describe a case with trans-scaphoid volar dislocation of the lunate with displacement into the palmar side of the distal forearm, while Koh et al [3] describe a case with trans-scaphoid volar lunate dislocation combined with complete scapholunate dissociation and total extrusion of the soft tissue localized in the palmar side of the forearm. The current case is unique because the lunate was dislocated into the volar aspect of the wrist forward in the styloid process of the distal ulna (detached from all ligament attachments) while the proximal pole of the scaphoid fracture was dorsally displaced.…”

Section: Discussionmentioning

confidence: 99%

An Unusual Localization of Lunate in a Transcaphoid Volar Lunate Dislocation: Current Concepts

Kastanis

Velivasakis

Pantouvaki

et al. 2019

Case Reports in Orthopedics

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Perilunate dislocation and fracture dislocations are rare injuries corresponding to 10% of all carpal injuries. They usually come with high-energy trauma, with associated injuries representing 61%. Volar lunate dislocation or fracture-dislocation accounts for 3% of perilunate injuries. We present a case of a 42-year-old polytrauma male, transmitted to our department 48 hours after a car accident with a trans-scaphoid volar lunate dislocation. During operation, the lunate was displaced volarly to the ulnar side of the wrist, forward to the styloid process of the distal ulna, while the scaphoid fracture appeared at the waist with comminution, and the proximal pole of the scaphoid protruded under the dorsal capsule. Carpal injuries are often missed out in polytrauma patients, and these injuries are underestimated because of the severity of the other visceral or extremity lesions. Untreated or improperly treated, those injuries lead to serious morbidity and loss of function. Therefore, good functional prognosis with decreased percentage of complications can be achieved following early recognition and early open surgical ligamentous complex repair.

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Section: Discussionmentioning

confidence: 99%