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Accuracy of sonography in transient synovitis
F McGoldrick1, T Bourke, N Blake
1Division of Orthopaedics, Our Lady's Hospital for Sick Children, Dublin, Ireland.
Journal of Pediatric Orthopedics
|July 1, 1990
Summary
Transient synovitis (TS) in children requires careful diagnosis. While sonography is useful, clinical evaluation is superior for diagnosing hip effusions, though ultrasound-guided aspiration can enhance accuracy when doubt persists.
Area of Science:
- Pediatric Orthopedics
- Diagnostic Imaging
- Rheumatology
Background:
- Acute transient synovitis (TS), or irritable hip, often necessitates hospital admission.
- Admission aims to rule out sepsis and perform joint aspiration to prevent femoral head ischemia due to increased intraarticular pressure.
- Diagnostic uncertainty can influence admission decisions and management.
Purpose of the Study:
- To prospectively compare the diagnostic accuracy of sonography versus clinical examination for hip effusions in patients with suspected TS.
- To evaluate the utility of sonography in cases of diagnostic doubt.
- To assess the impact of ultrasound-guided aspiration on diagnostic accuracy.
Main Methods:
- A prospective study involving 68 patients with suspected acute transient synovitis.
- Comparison of diagnostic accuracy between sonography, diagnostic aspiration, and clinical examination.
- Evaluation of hip effusions using standardized sonographic techniques.
Main Results:
- Sonography demonstrated a diagnostic accuracy of 81% for hip effusions.
- Clinical evaluation proved to be more accurate than sonography in diagnosing hip effusions.
- Sonography showed potential utility in situations with diagnostic uncertainty.
Conclusions:
- Clinical examination is the primary diagnostic tool for hip effusions in suspected TS.
- Sonography can be a valuable adjunct when diagnostic doubt exists.
- Ultrasound-guided aspiration may improve the accuracy of diagnosis in challenging cases.