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Technical report: radiological evaluation of patellar malalignment using a new frame for axial imaging of the
V Vähäsarja1, P Lanning, P Kinnunen
1Department of Paediatric Surgery, University of Oulu, Finland.
Clinical Radiology
|January 1, 1995
Abstract:
Axial radiographs were performed on 59 children and adolescent patients with patellar malalignment using the method described by Laurin. A special frame was used to keep the knees in 20 degrees flexion and to maintain standard conditions. Radiological indices were measured before realignment surgery. A statistically significant difference (P < 0.0001) in the lateral patellofemoral angle was observed comparing malaligned and control patellae. Laurin's technique using a special frame provides a method of obtaining standard radiological measurements of patellar malalignment for use in surgical planning.