Transscaphoid Dorsal Lunate Dislocation: A Case Presentation and Review of the Literature

Abstract

This case report describes a 74-year-old man with the rare injury of transscaphoid dorsal lunate dislocation (LD). He sustained a crushing injury with a huge amount of energy to his right wrist while working with a pressing machine. There were deep abrasions and areas of skin necrosis on the dorsum of the wrist. The patient was treated with closed reduction and a Herbert screw fixation for the scaphoid fracture. Six months postoperatively, avascular necrosis (AVN) of the lunate and scaphoid was apparent on the wrist radiographs. We offered a proximal row carpectomy to the patient, but he declined surgery because he was able to perform his activity of daily living. Dorsal LD as well as its variants has a high prevalence of AVN of the lunate. Delayed diagnosis, delayed treatment, and open reduction increase the risk of AVN development of the lunate. The level of evidence is therapeutic IV.

Keywords

carpal - dislocation - dorsal lunate dislocation - perilunate dislocation - transscaphoid dorsal lunate dislocation - transscaphoid PLD - wrist injuries

Publikationsverlauf

Artikel online veröffentlicht:
09. April 2020

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