Transient synovitis of the hip is a self-limited inflammatory disorder of the hip that commonly affects young children between 2 and 12 years of age.
The most important differential diagnosis to exclude is septic arthritis of the hip.
More common in boys.
Presents acutely with mild to moderate hip pain and limp.
Treatment is supportive with activity restrictions and nonsteroidal anti-inflammatory drugs as needed.
Transient synovitis is a self-limited inflammatory disorder of the hip that commonly affects young children.
History and exam
Key diagnostic factors
- limited movement
- positive log roll
Other diagnostic factors
- abducted and externally rotated hip
- 2 to 12 years of age
- male sex
- history of recent viral illness
1st investigations to order
- erythrocyte sedimentation rate
Investigations to consider
- MRI with contrast
- Septic arthritis
- Lyme arthritis
- ACR appropriateness criteria: acutely limping child up to age 5
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