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DOI:10.2214/AJR.08.1057
AJR 2008; 191:W199-W203
© American Roentgen Ray Society

Clinical Observations

Screw Impingement on the Extensor Tendons in Distal Radius Fractures Treated by Volar Plating: Sonographic Appearance

Stefano Bianchi1, Jan van Aaken2, Thierry Glauser3, Carlo Martinoli4, Jean-Yves Beaulieu2 and Dominique Della Santa2

1 Institut de Radiologie, Clinique des Grangettes, 7 Chemin des Grangettes, 1224 Geneva, Switzerland.
2 Departemente de Orthopedie, Hôpital Universitaire de Geneve, Geneva, Switzerland.
3 Centre de Chirurgie et de Thérapie de la Main, Geneva, Switzerland.
4 Cattedra di Radiologia, DICMI, Università di Genova, Genova, Italia.

OBJECTIVE. The objective of our study was to analyze the sonography examinations of nine consecutive patients with a history of distal radius fracture treated by open reduction and internal fixation of the volar plate who were referred by hand surgeons for sonography of the dorsal aspect of the wrist.

CONCLUSION. We postulate that impingement of the extensor tendons in patients with distal radius fracture treated by volar plating starts with local hyperemia and is followed by tenosynovitis and, finally, by partial and complete tendon tears. Sonography is an effective, dynamic, and noninvasive technique with which to diagnose and evaluate damage to the extensor tendons and their synovial sheaths.

Keywords: extensor tendons of the wrist • hand and wrist imaging • radius fracture • screw impingement • sonography • tendinopathy • ultrasound • volar plating


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