Distribution of MR-detected cartilage defects of the patellofemoral joint in chronic knee pain

TL Boegard, O Rudling, IF Petersson, Kjell Jonsson

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

12 Citeringar (SciVal)


Objectives: The aim of the study was to detect cartilage defects and determine the center of these defects in MR imaging of the patellofemoral joint (PFJ) in middle-aged people with chronic knee pain. Design: In the format of a prospective study of early osteoarthritis (OA), this cross-sectional study of the signal knee (the most painful one at inclusion in the study in 1990) in 59 individuals, 30 women and 29 men (aged 41-58 years, mean 50 years) with chronic knee pain, with or without radiographically determined knee OA, was examined using MR imaging on a 1.0 T imager. Cartilage defects and the center of these defects in the PFJ were recorded. Results: Cartilage defects were found more often in the patella (40 knees) than in the femoral trochlea (23 knees) (P<0.001) and were unevenly distributed in the patella (P<0.001), with most cartilage defects in the mid-patella. Conclusions: Since cartilage defects occur more commonly in the mid-patella, radiographs obtained with a knee flexion of approximately 45 may be more accurate to show cartilage defects of early OA of the PFJ than views with another knee flexion. Crown Copyright (C) 2003 Published by Elsevier Science Ltd on behalf of OsteoArthritis Research Society International. All rights reserved.
Sidor (från-till)494-498
TidskriftOsteoarthritis and Cartilage
StatusPublished - 2003

Ämnesklassifikation (UKÄ)

  • Reumatologi och inflammation


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