Trethowan's sign

Trethowan's sign is when Klein's line does not intersect the lateral part of the superior femoral epiphysis on an AP radiograph of the pelvis.[1]

Clinical use

Trethowan's sign is indicative of a diagnosis of slipped capital femoral epiphysis.

See also

  • Southwick angle

References

  1. ^ Goel, Ayush. "Trethowan sign | Radiology Reference Article | Radiopaedia.org". Radiopaedia. doi:10.53347/rid-22755. S2CID 239541553. Retrieved 2023-11-15.
Classification
D
External resources
  • Radiopaedia: trethowan-sign-1
  • Wheeless textbook: radiographic_findings_in_scfe
  • Orthobullets: pediatrics/4040/slipped-capital-femoral-epiphysis
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