Comparison of 3-T MRI and Arthroscopy of Intrinsic Wrist Ligament and TFCC Tears

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Abstract
OBJECTIVE. This study assesses the sensitivity and specificity of MRI at 3 T compared with arthroscopy for detection of intrinsic wrist ligament and triangular fibrocartilage complex (TFCC) tears.MATERIALS AND METHODS. MR wrist images in 300 consecutive patients underwent consensus review by two radiologists without knowledge of arthroscopy findings. Forty-nine of 300 patients underwent arthroscopy. Thirty-five of these 49 patients also underwent MR arthrography. Scans were assessed for full-thickness scapholunate, lunatotriquetral, or TFCC tears. After consensus review of MR images, arthroscopy results were compared with MR interpretations.RESULTS. Of the 49 patients who underwent arthroscopy, 22 had TFCC tears, 18 had scapholunate tears, and 11 had lunatotriquetral tears (51 total tears at arthroscopy). Nineteen of 22 TFCC tears, 16 of 18 scapholunate tears, and nine of 11 lunatotriquetral tears seen at arthroscopy were seen on MRI. Four patients had both a TFCC tear and a lunatotriquetral ligament tear...

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