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Legg-Calve-Perthes disease - Catterall classification

Case contributed by Samir Benoudina
Diagnosis not applicable

Presentation

Not applicable

Patient Data

Age: Not applicable

The Catterall classification for Legg-Calvé-Perthes disease  is based on radiographic appearances and is as follows:

  • Group I: involvement of the anterior epiphysis only
  • Group II: involvement of the anterior epiphysis with a clear sequestrum
  • Group III: only a small part of the epiphysis is not involved
  • Group IV: total head involvement

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