Ultrasound measurements of axillary recess capsule thickness in unilateral frozen shoulder: study of correlation with MRI measurements

Authors
Du Hwan KimChul-Hyun ChoDuk Hyun Sung
Department
Dept. of Orthopedic Surgery (정형외과학); Dept. of Rehabilitation Medicine (재활의학)
Issue Date
2018
Citation
Skeletal Radiology, Vol.47(11) : 1491-1497, 2018
ISSN
0364-2348
Abstract
OBJECTIVE: The aims of this study were to compare the ultrasound thickness of the affected axillary recess capsule (ARC) with that of the unaffected ARC in patients with frozen shoulder (FS), to analyze whether the ultrasound measurements of the ARC thickness correlate with those obtained using MRI, and to assess whether the ultrasound thickness of the ARC correlates with the patterns of range of motion limitation. MATERIALS AND METHODS: Forty-four patients with clinically diagnosed unilateral FS and MRI evaluation performed ultrasound measurement of ARC. The ultrasound measurement of the ARC thickness was performed with the patients in a supine position with their shoulder abducted by 40°. The ARC thickness was also measured by MRI on oblique coronal images by another physician blinded to the ultrasound measurements. With both ultrasound and MRI, ARC thickness was determined at the widest portion of the capsule. RESULTS: The ultrasound thickness of ARC was significantly higher in the affected shoulder (4.4 ± 1.1 mm) than in the unaffected one (2.2 ± 0.5 mm) (p < 0.001). The ultrasound thickness of the ARC in the affected shoulder correlated with that measured by MRI (8.9 ± 1.9 mm) (p < 0.001, r = 0.83). The ARC thickness, whether measured by ultrasound or MRI, was not significantly related to the limitation of movement in specific directions. CONCLUSION: Ultrasound can demonstrate the difference in ARC thickness between affected and unaffected shoulders in patients with unilateral FS. The ARC thickness measured by ultrasound correlates with that measured by MRI.
Keywords
Axillary recess capsuleFrozen shoulderUltrasound
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/41567
Appears in Collections:
1. Journal Papers (연구논문) > 1. School of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학)
1. Journal Papers (연구논문) > 1. School of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학)
Keimyung Author(s)
조철현; 김두환
Full Text
https://link.springer.com/article/10.1007%2Fs00256-018-2959-8
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