Ultrasound of Wrist Pain
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Background: The pathology of dorsal wrist pain in gymnasts without abnormal radiographic findings remains unclear. Purpose/Hypothesis: The purpose of this study was to identify abnormal wrist sagittal kinematics in gymnasts with dorsal wrist pain. It was hypothesized that gymnasts with dorsal wrist pain would show abnormal sagittal kinematics with reversible hypermobility of the intercarpal joint. Study Design: Controlled laboratory study. Methods: Participants included 19 wrists in male gymnasts with dorsal wrist pain, 18 wrist in male gymnasts without wrist pain, and 20 adult men without a history of wrist pain. Magnetic resonance imaging (T2-weighted sagittal images) findings at 0°, 30°, 60°, and 90° of wrist extension were used in kinematic analysis. The angles and translations of the radiolunate, capitolunate, and third carpometacarpal joint were measured and compared between the 3 groups. Results: At 90° of wrist extension, gymnasts with dorsal wrist pain had a significantly lower radiolunate joint angle (28.70°± 6.28° vs 36.19°± 7.81°; P = .020) and a significantly higher capitolunate joint angle (57.99°± 6.15° vs 50.50°± 6.98°; P = .004) and distal translation (1.17 ± 0.50 mm vs 0.46 ± 0.62 mm; P = .002) than gymnasts without dorsal wrist pain. Conclusion: Gymnasts with dorsal wrist pain showed abnormal wrist sagittal kinematics. These novel findings may facilitate understanding of dorsal wrist pain, which can be recognized as a new syndrome termed “gymnast’s lunate dyskinesia.”
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Wrist pain is a common presenting complaint in patients both for the hand specialist and the primary care physician. Knowledge of wrist anatomy and a thorough and systematic wrist examination remain the mainstays of evaluation. Radiologic as well as arthroscopic technology and techniques continue to evolve and provide useful adjuncts to wrist evaluation that expand our diagnostic and therapeutic capabilities.
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MRI examination can clearly reflect the contents of the wrist contour and position of triangular fibrocartilage complex(TFCC),articular cartilage,carpal interosseous ligament,synovial fluid,bone marrow changes and multi-level bone structural changes of joint area.In this literature,MR imaging examination in the wrist pain was reviewed,introducing commonly examination methods of the wrist,MR imaging findings of common diseases which result in wrist pain and a number of new imaging methodologies.
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Numerous radiographic procedures are now available to help determine the cause of wrist pain. This paper presents a wrist-pain algorithm that defines the relative roles of various radiographic techniques in the evaluation of patients with wrist pain. Practical application of the algorithm is demonstrated through illustrative cases.
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