Legg-Calve-Perthes disease: Salter-Thompson classification

Case contributed by Samir Benoudina
Diagnosis certain


Not applicable.

Patient Data

Age: Not applicable

Legg-Calve-Perthes disease: Salter-Thompson classification.

Case Discussion

Based on the importance of radiographic cresent sign, 2 groups.

  • Group A: crescent sign involves <  1/2 of femoral head.
  • Group B: crescent sign involves > 1/2 of femoral head.


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