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Advanced imaging of the scapholunate ligamentous complex

Journal Contribution - Journal Article

The scapholunate joint is one of the most involved in wrist injuries. Its stability depends on primary and secondary stabilisers forming together the scapholunate complex. This ligamentous complex is often evaluated by wrist arthroscopy. To avoid surgery as diagnostic procedure, optimization of MR imaging parameters as use of three-dimensional (3D) sequences with very thin slices and high spatial resolution, is needed to detect lesions of the intrinsic and extrinsic ligaments of the scapholunate complex. The paper reviews the literature on imaging of radial-sided carpal ligaments with advanced computed tomographic arthrography (CTA) and magnetic resonance arthrography (MRA) to evaluate the scapholunate complex. Anatomy and pathology of the ligamentous complex are described and illustrated with CTA, MRA and corresponding arthroscopy. Sprains, mid-substance tears, avulsions and fibrous infiltrations of carpal ligaments could be identified on CTA and MRA images using 3D fat-saturated PD and 3D DESS (dual echo with steady-state precession) sequences with 0.5-mm-thick slices. Imaging signs of scapholunate complex pathology include: discontinuity, nonvisualization, changes in signal intensity, contrast extravasation (MRA), contour irregularity and waviness and periligamentous infiltration by edema, granulation tissue or fibrosis. Based on this preliminary experience, we believe that 3 T MRA using 3D sequences with 0.5-mm-thick slices and multiplanar reconstructions is capable to evaluate the scapholunate complex and could help to reduce the number of diagnostic arthroscopies.

Journal: Skeletal Radiol
ISSN: 0364-2348
Issue: 12
Volume: 44
Pages: 1709-1725
Publication year:2015
  • ORCID: /0000-0002-3601-3212/work/91494470
  • ORCID: /0000-0002-6470-9612/work/62455185
  • ORCID: /0000-0003-1170-7389/work/62454986
  • ORCID: /0000-0003-3864-1287/work/61830620
  • DOI: https://doi.org/10.1007/s00256-015-2182-9
  • Scopus Id: 84944356266
  • WoS Id: 000363040500001
CSS-citation score:1