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Journal of orthopaedics · May 2021
MRi of the knee compared to specialized radiography for measurements of articular cartilage height in knees with osteoarthritis.
- Jacob Fyhring Mortensen, Kristian Breds Geoffroy Mongelard, Dimitar Ivanov Radev, Andreas Kappel, Lasse Enkebølle Rasmussen, Svend Erik Østgaard, and Anders Odgaard.
- Department of Orthopaedic Surgery, Copenhagen University Hospital Herlev-Gentofte, Kildegårdsvej 28, DK, 2900, Hellerup, Denmark.
- J Orthop. 2021 May 1; 25: 191-198.
AbstractThis study aims to evaluate and compare extremity-MRi with specialized radiography by measuring articular cartilage height in patients with knee osteoarthritis. A prospective study, including sixty patients. Measurements on MRi images, Rosenberg view, and coronal stress radiographs were performed. MRI was compared to specialized radiography. Measurements in the medial compartment showed negligible/weak correlation between MRi and Rosenber/varus stress. In the lateral compartment, MRi and the Rosenberg/valgus stress view were strongly correlated. We conclude that MRi cannot replace radiographs for the measurement of articular cartilage thickness. MRi should, however, be reserved for more unusual cases of atypical clinical findings.© 2021 The Authors.
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