Abstract
Fixed and habitual dislocations of patella represent the most severe forms of patellar instability and frequently require surgical intervention. Isolated medial patellofemoral ligament (MPFL) reconstruction, which has been the cornerstone of treatment for episodic patellar dislocation, is inadequate to address such complex instability patterns. The purpose of this report is to describe the 4-in-1 quadricepsplasty technique for stabilization of fixed and habitual dislocation of patella. The 4 components of quadricepsplasty are lateral retinacular releases and lengthening, Roux-Goldthwait patellar tendon hemi-transfer, modified Insall’s proximal “tube” realignment, and quadriceps slide-lengthening.
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