Physeal slope in Perthes disease

R. T. Loder, F. A. Farley, R. N. Hensinger

Research output: Contribution to journalArticle

8 Scopus citations


In 40 children with unilateral Perthes' disease, we measured the physeal slope, the angle between the physeal plane and the axis of the femoral shaft, from radiographs taken early in the disease. Thirty-seven of the 40 hips were classified as Catterall grades III and IV, Head-at-risk signs were present in 23. We found no statistically significant difference in the physeal slope between the involved and normal hips (p = 0.20), those with or without head-at-risk signs (p = 0.96), those with or without lateral epiphyseal subluxation (p = 0.82), and different Catterall (p = 0.56) or lateral pillar (p = 0.67) gradings.

Original languageEnglish (US)
Pages (from-to)736-738
Number of pages3
JournalJournal of Bone and Joint Surgery - Series B
Issue number5
StatePublished - Jan 1 1995
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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