Chronic ankle instability (CAI) is a condition that often develops after repeated ankle sprains, increasing the susceptibility of the ankle to move into excessive inversion when walking on unsteady surfaces. Approximately 74% of acute ankle sprains result in persistent symptoms, 30% of which progress to chronic ankle instability. Arthroscopic examination and magnetic resonance imaging (MRI) are considered the two most accurate methods of diagnosing injuries to lateral collateral ligaments. Ultrasound has been proven able to detect soft tissue injuries, However, the use of ultrasound and its' ability to accurately diagnose CAI is still under debate. The aim of this study is to investigate the diagnostic accuracy of ultrasonography for the assessment of non-osseous lateral ankle instability in comparison with magnetic resonance imaging (MRI).
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To study the accuracy, sensitivity and specificity of Ultrasonography in assessment of lateral ankle disorders causing ankle instability and pain in comparison to MRI.
Timeframe: 1 year