Semin Musculoskelet Radiol 2021; 25(02): 355-365
DOI: 10.1055/s-0041-1730414
Review Article

Thumb Injuries and Instabilities. Part 2: Spectrum of Lesions

1   Guilloz Imaging Department, CHRU of Nancy, University of Lorraine, Nancy, France
2   Unité INSERM U1254 Imagerie Adaptative Diagnostique et Interventionnelle (IADI), CHRU of Nancy, Vandœuvre-lès-Nancy, France
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3   Musculoskeletal Radiology, Henry Ford Hospital, Detroit, Michigan
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4   CIM SA, Cabinet d'imagerie médicale, Geneva, Switzerland
5   Service de Radiologie, Hôpitaux Universitaires de Genève, Geneva 14, Switzerland
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Abstract

The motor function of the thumb and its alignment with regard to the hand make it particularly vulnerable to trauma. Pathology encountered in this joint is varied, and imaging techniques play a crucial role in the diagnosis and characterization of injury. Despite advances in imaging technology, acute thumb injuries remain a challenge for radiologists. Currently, standard radiography and ultrasonography are frequently used first-line imaging techniques. Computed tomography is most often indicated for complex fractures and dislocations. Magnetic resonance imaging may be used to optimally characterize soft tissues and bone marrow. In this article, we cover the most common traumatic injuries: fractures, dislocations, collateral ligament injuries of the metacarpophalangeal joint, as well as soft tissue lesions.



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Artikel online veröffentlicht:
27. August 2021

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