Correlation of intra-articular osseous measurements with posterior cruciate ligament length on MRI scans.
Affiliation
Department of Orthopaedics, Connolly Hospital Blanchardstown, Dublin, Republic of Ireland. sajjadho@yahoo.comIssue Date
2010-01MeSH
Chronic DiseaseFemur
Humans
Knee Injuries
Magnetic Resonance Imaging
Posterior Cruciate Ligament
Reproducibility of Results
Rupture
Sensitivity and Specificity
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Correlation of intra-articular osseous measurements with posterior cruciate ligament length on MRI scans. 2010, 83 (985):23-7 Br J RadiolJournal
The British journal of radiologyDOI
10.1259/bjr/27328610PubMed ID
19546181Additional Links
http://bjr.birjournals.org/cgi/content/full/83/985/23Abstract
Six patients with a clinical diagnosis of chronic posterior cruciate ligament (PCL) rupture, based on a positive posterior drawer test, had a normal appearance of the PCL on an MRI scan. It is postulated that the PCL had been ruptured but healed in a lengthened state. 12 volunteers with no history of knee trauma underwent an MRI scan of the knee. In this control group (n = 12), there was a close correlation between the lateral femoral condylar width in the sagittal plane and the PCL length, with a ratio of 2:1 (95% confidence interval (CI) = 1.817-2.095). In the clinically abnormal group (n = 6), the ratio was 1.49:1 (95% CI = 1.206-1.782) (p< 0.0005). In conclusion, the ratio of the lateral femoral condylar width in the sagittal plane to the PCL length is a useful index for diagnosing PCL attenuation and lengthening in the presence of a normal morphological MR appearance.Item Type
ArticleLanguage
enISSN
1748-880Xae974a485f413a2113503eed53cd6c53
10.1259/bjr/27328610
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