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Study finds 3-T MRI useful for diagnosis of chondral defects in the hip
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Results from this study on the identification of grade 3 and 4 chondral defects in the hip indicated the sensitivity and specificity of 3-T MRI for this function.
Researchers included 606 patients who underwent 3-T MRI and had lesions confirmed by arthroscopy and were graded using the Outerbridge system. To determine the predictive value of 3-T MRI to detect these lesions, investigators used arthroscopic findings as the gold standard. Researchers calculated the sensitivity, specificity, positive predictive value, negative predictive value, positive likelihood ratio and negative likelihood ratio for Outerbridge grade 3 or grade 4 chondral defects in hip.
Findings showed the average time between the MRI and arthroscopy was 1.9 days. Investigators noted the sensitivity, specificity, positive predictive value and negative predictive value for the detection of femoral head defects using MRI were 61%, 58%, 29% and 84%, respectively. For chondral defects in the acetabulum, MRI showed sensitivity, specificity, positive predictive value and negative predictive value of 80%, 41%, 42% and 79%, respectively. ‒ by Monica Jaramillo
Disclosures: Ho reports no relevant financial disclosures. Please see the full study for a list of all other authors’ relevant financial disclosures.
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