Pediatric hip pain

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Background

  • It can be difficult to differentiate hip from knee pain in children

Clinical Features

Differential Diagnosis

Pediatric hip pain

Evaluation

  • X-ray hip (AP & Frog leg), knee
  • Consider CBC, ESR
  • Consider:
    • Ultrasound to evaluate for effusion
    • CT to evaluate for abscess

Kocher Criteria for septic arthritis of the hip

  1. ESR > 40
  2. WBC > 12
  3. Refusal or inability to weight bear on affected joint
  4. Fever
Number of Kocher Criteria Chance of Septic Joint
1 3%
2 40%
3 93%
4 99%

Management

Disposition

See Also

References