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

References

  1. ↑ Goel, Ayush. "Trethowan sign | Radiology Reference Article | Radiopaedia.org". Radiopaedia. doi:10.53347/rid-22755. S2CID 239541553. Retrieved 2023-11-15.
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