Segmental torsion assessment is a reliable method for in-depth analysis of femoral alignment in Computer Tomography
International orthopaedics | 16 Aug 2017
PW Ferlic, A Runer, C Seeber, M Thöni, G Seitlinger and MC Liebensteiner
De-rotational osteotomies are indicated in patients with pathologic femoral torsion. However, there is disagreement whether an osteotomy should be performed proximally or distally. Conventionally only the total torsion is measured, which does not allow differentiation between a torsional deformity located in the proximal or distal metaphysis or the diaphysis. The aim of this study is to validate a new multi-level measurement protocol for evaluation of the magnitude of torsion of the respective femoral segments in CT.
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