Trethowan's sign
Trethowan's Sign
Trethowan's sign (/ˈtrɛθoʊwən/; from the surname of British orthopedic surgeon, Sir James Trethowan) is a clinical sign used in the diagnosis of Slipped Capital Femoral Epiphysis (SCFE). It is named after Sir James Trethowan who first described it in 1925.
Definition
Trethowan's sign is a radiographic sign seen in SCFE where there is a line drawn along the superior border of the femoral neck (Klein's line) which does not intersect with the epiphysis.
Clinical Relevance
The presence of Trethowan's sign is indicative of SCFE, a common hip disorder in adolescents. Early detection and treatment of SCFE is crucial to prevent further slippage and potential complications such as avascular necrosis and chondrolysis.
Related Terms
- Klein's Line: A radiographic line used in the diagnosis of SCFE.
- Epiphysis: The end part of a long bone, initially growing separately from the shaft.
- Avascular Necrosis: Death of bone tissue due to a lack of blood supply.
- Chondrolysis: The dissolution or loosening of cartilage.
See Also
External links
- Medical encyclopedia article on Trethowan's sign
- Wikipedia's article - Trethowan's sign
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