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.
![](../I/Trethowan's_sign_seen_in_SCFE.jpg.webp)
Clinical use
Trethowan's sign is indicative of a diagnosis of slipped capital femoral epiphysis.
See also
References
External links
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