Sidra Manzoor, Rabia Waseem Butt, Sidra Nadeem, Fazeela Farid, Manal Niazi.
Diagnostic Accuracy of Ultrasound in Detection of Synovial Hypertrophy in Patients with Osteoarthritis.
J Rawal Med Coll Jan ;21(4):366-70.

Objective: To determine the diagnostic accuracy of ultrasound in the detection of synovial hypertrophy in patients with osteoarthritis by using MRI as the gold standard. Methods: In this descriptive study, 150 patients with complaint of joint pain and stiffness, were included. Ultrasound was carried out. Subsequently, MRI scan of affected joint was performed. Results: By taking the synovial thickness of more than 2.3mm as discriminatory level for synovial proliferation, the overall sensitivity of ultrasound was 94.23%, and specificity was 87.23%. The positive predictive values of the ultrasound in patients with synovial hypertrophy was 95.14% and negative predictive value was calculated to be 92.67%. The diagnostic accuracy of the test was 89.12%. Conclusion: Duplex Doppler ultrasound can detect synovial hypertrophy with sensitivity of approximately 94.23 %.

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