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Semin Musculoskelet Radiol 2012; 16(02): 115-128
DOI: 10.1055/s-0032-1311763
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Pathology of Extrinsic Ligaments: A Pictorial Essay

Maryam Shahabpour
1   Department of Radiology, Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium.
,
Luc Van Overstraeten
2   Hand and Foot Surgery Unit (HFSU), Centre Hospitalier de Wallonie picarde, Tournai, Belgium.
,
Paul Ceuterick
3   Department of Orthopaedics and Traumatology, Cliniques de l'Europe, Brussels, Belgium.
,
Annemieke Milants
1   Department of Radiology, Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium.
,
Jean Goubau
4   Department of Orthopaedics and Traumatology, Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium.
,
Cedric Boulet
1   Department of Radiology, Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium.
,
Johan De Mey
1   Department of Radiology, Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium.
,
Michel De Maeseneer
1   Department of Radiology, Universitair Ziekenhuis Brussel (UZ Brussel), Brussels, Belgium.
› Author Affiliations
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Publication History

Publication Date:
30 May 2012 (online)

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Abstract

The role of the extrinsic ligaments, together with the intrinsic ligaments, appears to be much more important than previously thought in the setting of carpal stability. The anatomy and pathology of the extrinsic wrist ligaments is complex. Magnetic resonance imaging (MRI) with thin slices is essential for visualization. This article describes the pathological appearance of the extrinsic palmar and dorsal radiocarpal and ulnocarpal ligaments on MRI, correlated with arthroscopy (performed by two skilled hand surgeons), clinical findings, and follow-up. High-resolution MRI, especially using isotropic three-dimensional sequences with orthogonal multiplanar reconstructions on 3T MR systems, allows detailed depiction of many of the extrinsic ligaments affected in carpal injuries. Recognition of ligament abnormalities is improved by intra-articular or intravenous injection of contrast before the examination. Both techniques may help to determine the precise localization, size, and extent of dorsal and palmar radiocarpal and ulnocarpal ligament lesions. Further experience with these techniques is needed to define the place of MRI in the management of traumatic wrist injuries.

Keywords

MRI - extrinsic ligaments - wrist - carpal instability - 3T
 

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