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Finger A2 Pulley Lesions in Rock Climbers

2007; Lippincott Williams & Wilkins; Volume: 42; Issue: 6 Linguagem: Inglês

10.1097/01.rli.0000262756.65849.12

1536-0210

Daniel Guntern, Vasco Gonçalves-Matoso, Anne Gray, Carmen Picht, P. Schnyder, Nicolas Theumann,

Congenital limb and hand anomalies

Objectives: To evaluate magnetic resonance imaging (MRI) at 3 T in the diagnosis and characterization of lesions of the finger flexor A2 pulley in patients with clinically suspected A2 pulley lesions. Materials and Methods: Eight consecutive patients with clinically suspected lesions of the A2 pulley were included in this retrospective study. 3 T MRI was performed with T1-weighted, T2-weighted fat suppressed, and T1-weighted fat suppressed contrast enhanced sequences. The A2 pulley of all the fingers visible on the images were analyzed and pulley lesions characterized. Results: All asymptomatic pulleys were normal at MRI. In the 8 symptomatic fingers 7 pulleys were abnormal at MRI. With the clinical examination as gold standard, sensitivity, specificity, positive predictive value, and negative predictive value of MRI were 87.5%, 100%, 100%, and 95.2% respectively. Characterization of the different pulley lesion was possible. Conclusion: MRI at 3 T allows reliable direct visualization and characterization of traumatic A2 pulley lesions.