MR-imaging of anterior tibiotalar impingement syndrome: Agreement, sensitivity and specificity of MR-imaging and indirect MR-arthrography

摘要: Abstract Objective To clarify the role of MR-imaging in diagnosis anterior ankle impingement syndromes. Materials and methods We prospectively examined 51 consecutive patients with chronic pain by MR-imaging. Arthroscopy was performed 29 who previously underwent non-enhanced MR-imaging; 11 patients, indirect MR-arthrography additionally performed. MR-examinations were correlated clinical findings; MR arthroscopy scores statistically compared, agreement measured. Results demonstrated granulation tissue lateral gutter (38%) recess (31%), lesions tibiofibular (31%) talofibular ligament (21%) as well intraarticular bodies (10%). Stenosing tenosynovitis a ganglionic cyst revealed extraarticular causes for MR-examination (17%). Agreement fair joint cavity (kappa 0.40). Major discrepancy found scans 0.49) when compared 0.03) cavity. The sensitivity calcaneofibular (0.91–0.87) detected superior comparison to anteromedial (0.50–0.24). Conclusion provides additional information about mechanics rather than an accurate this entity. method is helpful differentiating extra- from intra-articular impingement. Indirect has little or no value syndrome.