Semin Musculoskelet Radiol 2013; 17(05): 466-476
DOI: 10.1055/s-0033-1360667
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Imaging Finger Joint Instability with Ultrasound

Carlo Martinoli
1   Department of Radiology, DISSAL, Università di Genova, Genova, Italy
,
Maribel Miguel Perez
2   Unit of Human Anatomy and Embryology, Department of Pathology and Experimental Therapy, Faculty of Medicine (C Bellvitge), University of Barcelona, Barcelona, Spain
,
Bianca Bignotti
1   Department of Radiology, DISSAL, Università di Genova, Genova, Italy
,
Sonia Airaldi
1   Department of Radiology, DISSAL, Università di Genova, Genova, Italy
,
Luigi Molfetta
3   Department of Orthopaedic Surgery, DINOGMI, Università di Genova, Genova, Italy
,
Andrea Klauser
4   Department of Diagnostic Radiology, Medical University Innsbruck, Innsbruck, Austria
,
Xavier Demondion
5   Department of Skeletal Radiology, Roger Salengro Hospital, Lille, France
,
Anne Cotten
5   Department of Skeletal Radiology, Roger Salengro Hospital, Lille, France
,
Alberto Tagliafico
6   Department of Experimental Medicine, DIMES, Università di Genova, Genova, Italy
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Publikationsdatum:
10. Dezember 2013 (online)

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Abstract

Closed injuries affecting the metacarpophalangeal and interphalangeal joints and their stabilizers in the thumb and fingers occur very commonly in athletes, possibly leading to finger joint instability and long-standing or permanent disability. This article reviews the spectrum of joint injuries of the thumb and fingers that are common in the athletic population with a main focus on the ultrasound features of collateral ligament tears, palmar plate injuries, and thumb sesamoid fractures. A thorough understanding of the complex anatomy, mechanism of injury, soft tissue abnormalities, and imaging findings is critical in the diagnostic work-up of closed finger joint trauma and may help improve outcomes.