Citation, DOI, disclosures and article data
Citation:
Benoudina S, Sharma R, Gaillard F, et al. Salter-Thompson classification of Perthes disease. Reference article, Radiopaedia.org (Accessed on 17 Feb 2025) https://doi.org/10.53347/rID-44065
The Salter-Thompson classification of Perthes disease simplifies the Catterall classification into two groups. Based on the radiographic crescent sign, we can distinguish:
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group A: including Catteral groups I and II, where the crescent sign involves less than 50% of the femoral head
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group B: including Catterall groups III and IV, where the crescent sign involves more than 50% of the femoral head
See also
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1. Salter RB, Thompson G. Legg-Calvé-Perthes disease. The pronostic significance of the subchondral fracture and a two-group classification of the femoral head involvment. J Bone Joint SurgAm1984;66:479-89
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