Wilkinson's syndrome
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| Wilkinson's syndrome | |
|---|---|
| Other names | Sclerotic pedicle sign |
| Specialty | Radiology |
| Usual onset | Congenital |
Wilkinson's syndrome (also known as Sclerotic pedicle sign) is a radiographic term which describes a unilaterally enlarged pedicle opposite a contralateral pars defect. The enlarged pedicle may due to stress hypertrophy, and changes may extend into the adjacent lamina and transverse processes.
The characteristic radiographic feature of Wilkinson's syndrome is a missing pedicle with a thick, sclerotic contralateral pedicle at the same level. This is sometimes referred to as a "winking owl sign".