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Dynamic Sonography of External Snapping Hip Syndrome

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Affiliated Author(s)
이성문
Alternative Author(s)
Lee, Sung Mun
Journal Title
Journal of Ultrasound in Medicine
ISSN
0278-4297
Issued Date
2002
Keyword
dynamic sonographyexternalgluteus maximus muscleiliotibial bandsnapping hip
Abstract
Objective. To evaluate the dynamic sonographic findings of external snapping hip syndrome.
Methods. Five patients with 7 cases of painful external snapping hip (3 male and 2 female; age range,
14–32 years; mean, 19 years) were examined with sonography. Two patients had bilateral snapping.
Dynamic sonographic examinations of hips were performed with a linear 5- to 12-MHz transducer
during hip motion. Results. Dynamic sonographic studies of the affected hip revealed causes of the
external snapping hip in all cases. It was elicited by an abnormal jerky movement of the iliotibial band
overlying the greater trochanter in 5 of 7 cases and of the gluteus maximus muscle in 2 cases. The iliotibial
band over the greater trochanter was hypoechoic in 3 of the 5 cases and thickened in 1 case.
Dynamic sonography showed good correlations between the jerky movements of the iliotibial band
and the gluteus maximus muscle and the painful snapping reported by the patients. Conclusions.
Dynamic sonography was helpful in the diagnosis of external snapping hip syndrome; it showed realtime
images of sudden abnormal displacement of the iliotibial band or the gluteus maximus muscle
overlying the greater trochanter as a painful snap during hip motion.
Department
Dept. of Radiology (영상의학)
Publisher
School of Medicine
Citation
Yun Sun Choi et al. (2002). Dynamic Sonography of External Snapping Hip Syndrome. Journal of Ultrasound in Medicine, 21(7), 753–758. doi: 10.7863/jum.2002.21.7.753
Type
Article
ISSN
0278-4297
DOI
10.7863/jum.2002.21.7.753
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/33891
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Radiology (영상의학)
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