Pars interarticularis defect

Case contributed by Praveen Jha
Diagnosis certain

Presentation

Back pain and numbness in the right lower limb

Patient Data

Age: 45 years
Gender: Female
x-ray

Grade II anterolisthesis of L4 over L5 vertebra is seen with pars interarticularis defect, giving a 'Scottie dog appearance'.

Case Discussion

This is a classical 'Scottie dog' appearance in pars defect.

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