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Updated: Nov 4, 2025

Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
Published on: January 16, 2019
Perilunate instability: A rare variant
Amanda Partap1, Ian James Persad1
1Department of Orthopedics, San Fernando General Hospital, San Fernando, Trinidad.
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.
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