What is the role of CT scanning in the workup of ulnar-sided wrist pain?

Updated: Nov 22, 2019
  • Author: David M Lichtman, MD; Chief Editor: Harris Gellman, MD  more...
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Answer

Computed tomography (CT) can reveal detailed osseous and articular anatomy. [36] Sections consist of 2- to 3-mm serial sections, which are taken in two positions at 90° angles from each other. When greater detail is required, 1-mm sections may be used. Obtaining comparative scans of the opposite extremity is sometimes helpful.

CT may be used to detect fractures, including fractures of the hook of hamate that are not evident on radiographs, to assess bone healing, and to identify occult tumors. Axial CT provides an excellent means for evaluating DRUJ deformities. CT depicts much more bony detail than conventional radiography does, particularly when positioning the extremity is difficult because of patient pain or cast immobilization. [38]


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