ePlasty: Vol. 20
Wrist Salvage in a Transscaphoid Transcapitate Perilunate Fracture-Dislocation in the Setting of Previous Scaphoid Nonunion and Scaphoid Nonunion Advanced Collapse (SNAC)
Sean J. Wallace, MD,a Ethan Song, BA,b Nathan F. Miller, MD,a and Lawrence E. Weiss, MDc

aDivision of Plastic & Reconstructive Surgery, Department of Surgery, Lehigh Valley Health Network, Allentown, Pa; bMorsani College of Medicine, University of South Florida, Tampa; and cDivision of Orthopedic Hand Surgery, OAA Orthopedic Specialists, Allentown, Pa


Correspondence: seanjwallace@gmail.com.
Keywords: perilunate dislocation, Mayfield's classification, scaphoid nonunion, scaphoid nonunion advanced collapse, wrist salvage

DESCRIPTION

A 59-year-old man fell onto his outstretched hands. He was diagnosed with a left-sided transscaphoid transcapitate perilunate fracture-dislocation in the setting of previous scaphoid open reduction internal fixation (ORIF), resulting in a nonunion and scaphoid nonunion advanced collapse (SNAC). Wrist salvage in the form of primary partial wrist fusion was performed and resulted in excellent clinical and functional outcomes.

QUESTIONS

1. What are perilunate dislocations and/or perilunate fracture-dislocations?

2. What physical and radiologic examination findings are typically enco .......