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      Scapholunate Ligament Injuries: A Review of Current Concepts

      1 , 1 , 1

      HAND

      Springer Nature

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          Most cited references 50

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          Intracarpal soft-tissue lesions associated with an intra-articular fracture of the distal end of the radius.

          Sixty patients who had a displaced intra-articular fracture of the distal end of the radius were managed with manipulative reduction and internal fixation performed under both fluoroscopic and arthroscopic guidance. According to the AO/ASIF classification system, seven fractures were type B1, two were type B2, three were type B3, thirteen were type C1, twelve were type C2, and twenty-three were type C3. Forty-one patients (68 per cent) had soft-tissue injuries of the wrist, including tears of the triangular fibrocartilage complex (twenty-six patients), the scapholunate interosseous ligament (nineteen), and the lunotriquetral interosseous ligament (nine). Thirteen patients had two soft-tissue injuries. Intracarpal soft-tissue injuries were identified most frequently in association with fractures involving the lunate facet of the distal articular surface or the radius.
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            Three-ligament tenodesis for the treatment of scapholunate dissociation: indications and surgical technique.

            Different surgical techniques have been proposed to treat traumatic scapholunate instability. Deciding which treatment is best for each individual case is not easy. In this article we report an algorithm of treatment based on a number of prognostic factors that may help in this matter. We also report on the promising results obtained using a new technique, the 3-ligament tenodesis, for the treatment of nonrepairable complete scapholunate ligament rupture, causing a reducible carpal malalignment without secondary osteoarthritis. This technique incorporates features from 3 previously described techniques.
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              Wrist ligament tears: evaluation of MRI and combined MDCT and MR arthrography.

              The purpose of this study was to evaluate the performance of MRI and a combination of MDCT arthrography and MR arthrography in the diagnosis of tears and cartilage abnormalities of the wrist ligaments. The feasibility of combining MDCT arthrography and MR arthrography and performing them with an optimized contrast solution was evaluated in vitro and in vivo. Forty-five consecutively enrolled subjects with suspected wrist ligament tears underwent MRI and a combined MDCT and MR arthrographic procedure. Two observers reviewed the images for evidence of tears and cartilage abnormalities of the scapholunate and lunotriquetral ligaments and triangular fibrocartilaginous complex. Interobserver agreement was determined with kappa statistics, and the diagnostic accuracy of each technique was calculated. A 1:1 solution of 2.5 mmol/L tetraazacyclododecanetetraacetic acid (DOTA)-gadolinium and 300 mg I/mL iopamidol provided adequate contrast enhancement for both in vitro and in vivo MDCT arthrographic and MR arthrographic images. Interobserver agreement was substantial for MRI (kappa = 0.61) and MR arthrography (kappa = 0.71) and almost perfect for MDCT arthrography (kappa = 0.93). The sensitivity and specificity of MRI, MDCT arthrography, and MR arthrography for tears of the scapholunate ligament were 59% and 70%, 95% and 96%, and 68% and 87% for the first observer and 77% and 83%, 95% and 100%, and 77% and 87% for the second observer. For tears of the lunotriquetral ligament, these values were 30% and 94%, 100% and 94%, and 60% and 97% for the first observer and 50% and 97%, 90% and 100%, and 50% and 94% for the second observer. The three techniques appeared equivalent for complete tears of the scapholunate and lunotriquetral ligaments, but partial tears were significantly better visualized with MDCT arthrography. The sensitivity and specificity of MRI, MDCT arthrography, and MR arthrography for triangular fibrocartilaginous complex tears were 27% and 100%, 100% and 100%, and 82% and 100% for the first observer and 45% and 100%, 100% and 100%, and 82% and 100% for the second observer. For cartilage abnormalities, these values were 30% and 100%, 100% and 100%, and 30% and 100% for the first observer and 10% and 100%, 100% and 100%, and 40% and 100% for the second observer. MDCT arthrography appears more accurate than MRI and MR arthrography, particularly for discerning partial tears of the scapholunate and lunotriquetral ligaments that do not necessitate surgical therapy.
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                Author and article information

                Journal
                HAND
                Hand (New York, N,Y.)
                Springer Nature
                1558-9447
                1558-9455
                March 13 2013
                June 2013
                February 07 2013
                June 2013
                : 8
                : 2
                : 146-156
                Affiliations
                [1 ]Department of Orthopaedic Surgery, University of Virginia, PO Box 800159, Charlottesville, VA 22908, USA
                Article
                10.1007/s11552-013-9499-4
                © 2013

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