Sonographic appearance of trigger fingers
Details
Serval ID
serval:BIB_806A6428384D
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Sonographic appearance of trigger fingers
Journal
Journal of Ultrasound Medicine
ISSN
1550-9613
Publication state
Published
Issued date
10/2008
Peer-reviewed
Oui
Volume
27
Number
10
Pages
1407-1413
Language
english
Abstract
OBJECTIVE: The purpose of this study was to describe the sonographic appearance of the first annular (A1) pulley-flexor tendon complex in patients with trigger fingers. METHODS: Thirty-three trigger fingers in 33 patients were examined with a 7- to 15-MHz probe. A control group consisted of 20 patients without trigger fingers. The study included systematic measurement of the thickness of the A1 pulley and a power Doppler assessment of the pulleys, tendons, and tendon sheaths. RESULTS: Thickening and hypoechogenicity of the A1 pulley were found in all patients with trigger fingers. Measurements of A1 pulley thickness were significantly different (P < .0001) between the groups without trigger fingers (mean, 0.5 mm; range, 0.4-0.6 mm) and with trigger fingers (mean, 1.8 mm; range, 1.1-2.9 mm). Hypervascularization of the A1 pulley on power Doppler imaging was found in 91% of the trigger fingers but was never found in the healthy control group. Flexor tendinosis was found in 48% of the trigger fingers; tenosynovitis was found in 55%; and both were found in 39%. In the control group, tenosynovitis and tendinosis were not found. CONCLUSIONS: Thickening and hyper-vascularization of the A1 pulley are the hallmarks of trigger fingers on sonography. Other frequently observed features include distal flexor tendinosis and tenosynovitis.
Pubmed
Web of science
Create date
22/10/2008 12:33
Last modification date
20/08/2019 14:40