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Skeletal Radiology

, Volume 45, Issue 3, pp 409–412 | Cite as

Dynamic sonography of snapping hip due to gluteus maximus subluxation over greater trochanter

  • Connie Y. ChangEmail author
  • Jeffrey Kreher
  • Martin Torriani
Case Report

Abstract

We report on the dynamic sonographic findings of a 10-year-old avid female dancer who presented with symptoms of abrupt left hip motion and associated painful snapping sensation while performing lateral motions of the pelvis suggesting external snapping hip syndrome. Dynamic sonographic evaluation of both hips demonstrated that symptoms were due to gluteus maximus subluxation over the greater trochanter. This etiology of external snapping hip syndrome is rare with limited imaging descriptions in the literature. We present case history, physical examination, and dynamic ultrasound examination, including multiple still images and cine clips, comprehensively characterizing this uncommon source of external snapping hip syndrome.

Keywords

External snapping hip Gluteus maximus Greater trochanter Iliotibial band 

Notes

Compliance with ethical standards

Source of founding

None

Conflict of interest

No conflict of interest.

Supplementary material

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Copyright information

© ISS 2015

Authors and Affiliations

  • Connie Y. Chang
    • 1
    Email author
  • Jeffrey Kreher
    • 2
  • Martin Torriani
    • 1
  1. 1.Division of Musculoskeletal Imaging and Intervention, Department of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonUSA
  2. 2.Division of Pediatric Orthopaedics, Department of OrthopaedicsMassachusetts General HospitalBostonUSA

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