Case: Here, we describe a case of a 49-year-old female patient with a history of hypertension and polysubstance use disorder presenting with a distal tibial metaphyseal malunion treated with a clamshell osteotomy. Her follow-up was 2.5 years long.
Conclusion: Malunions in the tibial diaphysis and distal metaphysis can cause significantly increased joint reaction forces and altered gait mechanics leading to cosmetic dissatisfaction and decreased quality of life for these patients. Correction of these deformities can improve patient satisfaction and quality of life, along with decrease the risk of early arthritis. The clamshell osteotomy, although initially described to treat diaphyseal long bone malunions, can safely be performed for treatment of complex periarticular metaphyseal malunions.
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