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Related Experiment Videos

Extraarticular snapping hip: sonographic findings.

V Pelsser1, E Cardinal, R Hobden

  • 1Department of Diagnostic Radiology, CHUM-St-Luc Hospital, 1058 Saint-Denis St., Montreal, Quebec, H2X 3J4 Canada.

AJR. American Journal of Roentgenology
|January 3, 2001
PubMed
Summary
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Dynamic ultrasound effectively identifies snapping hip causes, often linked to iliopsoas tendon or iliotibial band issues. Notably, many snapping hip cases identified via ultrasound are not painful.

Area of Science:

  • Musculoskeletal Imaging
  • Diagnostic Ultrasound
  • Orthopedics

Background:

  • Snapping hip is a condition characterized by an audible or palpable snapping sensation during hip movement.
  • The underlying causes and sonographic manifestations of snapping hip require further elucidation.

Purpose of the Study:

  • To determine the sonographic findings associated with snapping hip.
  • To correlate these sonographic findings with the presence or absence of pain.

Main Methods:

  • Conventional and dynamic sonography were performed on 20 patients with snapping hip using 5.0- or 7.0-MHz transducers.
  • Sonographic examinations assessed structural abnormalities and documented tenderness, correlating dynamic movements with reported sensations.

Main Results:

Related Experiment Videos

  • Dynamic sonography identified the cause of snapping hip in 24 out of 26 cases.
  • Abnormal iliopsoas tendon movement was the cause in 22 cases, and iliotibial band friction in two.
  • Sonography confirmed a temporal link between jerky tendon motion and the snapping sensation, noting that only 14 of the cases were painful.

Conclusions:

  • Conventional sonography can detect tendinitis, bursitis, and synovitis.
  • Dynamic sonography is effective in diagnosing the cause of snapping hip, characterized by abnormal displacement of the snapping structure.
  • A significant number of snapping hip cases identified sonographically may not present with pain.