Jenny T. Bencardino, MDa*, Zehava Sadka Rosenberg, MDb aDepartment of Radiology, Huntington Hospital, North Shore Long Island Jewish Health System, 270 Park Avenue, Huntington, NY 11747, USA
bDepartment of Radiology, Hospital for Joint Diseases, New York University Medical Center, 305 East 17th Street, New York, NY 10003, USA
Sports-related injuries to the wrist range from minor sprains to severe soft tissue disruption that can pose a risk to the normal functioning of the upper extremity. It is important to identify the specific nature of such injuries to establish an accurate diagnosis and deliver appropriate treatment. Superb, noninvasive depiction of the wrist's intricate anatomy may be obtained by using MRI. Tl-weighted and high-resolution proton density images provide high anatomic detail, whereas T2-weighted images are useful for evaluating the alterations in water content characteristic of most pathologic conditions. Fluid-sensitive sequences, namely short tau inversion-recovery and fat-suppressed T2-weighted imaging, may be used to highlight the contrast differences between the low-signal tendons, ligaments, and triangular fibrocartilage and the abnormal free water. MRI of the wrist should be obtained in the axial, sagittal, and coronal planes. The axial and sagittal planes provide most of the information necessary to assess the tendons, extrinsic ligaments, and nerves at the wrist. The coronal and sagittal images are most helpful for evaluating the intrinsic ligaments and the triangular fibrocartilage.
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