Spondylolysis with spondylolisthisis

Case contributed by Dr Hidayatullah Hamidi


The patient underwent CT for evaluation of gastro-esophageal cancer.

Patient Data

Age: 55 years
Gender: Female

Bilateral pars interarticularis defects of L4 vertebra with grade II anterolisthisis at L4/5 level.

Case Discussion

Defect in the pars interarticularis of the neural arch is called spondylolysis also known as pars interarticularis defect or more simply as pars defect. 
Majority of the patients will progress to spondylolisthesis as in this case.

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