ArticleArchives of orthopaedic and trauma surgery2025
The accuracy of MRI diagnosis of thumb ulnar collateral ligament injuries over physical examination in clinical decision-making for surgery.
Article in Archives of orthopaedic and trauma surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThis retrospective study assessed whether magnetic resonance imaging (MRI) confers a diagnostic or therapeutic advantage over clinical examination in managing thumb ulnar collateral ligament (UCL) injuries and evaluated its accuracy in lesion characterization. MATERIALS AND
methodsWe reviewed 96 patients undergoing surgical repair over a ten-year period, 43 of whom had preoperative MRI and 53 who did not.
resultsWhile MRI exhibited high sensitivity (97%) and specificity (80%) for detecting UCL pathology, its accuracy for differentiating lesion subtypes was only moderate (72-84%). No appreciable difference was noted between MRI and non-MRI cohorts in the proportion of indication-appropriate (57% vs. 45%) or surgeries potentially amenable to conservative treatment (43% vs. 55%).
conclusionsThus, MRI did not influence the indication for surgery beyond what was determined by a meticulous physical examination. A thorough clinical assessment remains the mainstay, reserving MRI for diagnostically challenging scenarios or when detailed anatomical visualization is necessary.
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