Perilunate instability: A rare variant

Abstract

Perilunate dislocations and perilunate fracture dislocations are rare injuries that occur as a result of high energy trauma. We describe a case of a volar fracture dislocation of the proximal pole of the scaphoid with an associated scapholunate and lunotriquetral ligament disruption as well as a lunate fossa fracture of the distal radius. These injuries are serious injuries that require a high degree of clinical acumen and radiographic scrutiny to allow for prompt treatment in order to avoid the sequelae of long-term complications that can arise. This case serves as a reminder of the complexity of these injuries and their associated mechanics.