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DOI: 10.1055/s-0041-1730398
Carpal Instability: II. Imaging
Abstract
Beyond clinical examination, the various forms of carpal instability are assessed with radiologic methods and arthroscopy. For this purpose, the imaging demand for spatial and contrast resolution is particularly high because of the small ligamentous structures involved. The entities of carpal instability are classified into degrees of severity. Early (dynamic) forms of instability can either be indirectly detected with X-ray stress views and cineradiography or by direct visualization of ruptured ligaments in high-resolution magnetic resonance (MR) imaging and MR or computed tomography (CT) arthrography, with the latter the standard of reference in imaging. Advanced (static) forms of carpal instability are sufficiently well detected on radiographs; visualization of early carpal osteoarthritis is superior on CT. To prevent disability of the hand, the radiologist has to provide an early and precise diagnosis. This case-based review highlights the imaging procedures suitable for detection and classification of carpal instability.
Keywords
computed tomography arthrography - cineradiography - instability - magnetic resonance imaging - magnetic resonance arthrographyPublikationsverlauf
Artikel online veröffentlicht:
09. August 2021
© 2021. Thieme. All rights reserved.
Thieme Medical Publishers, Inc.
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