Bilateral pars defect

Case contributed by Dr Jeremy Jones


Longstanding back pain. No recent trauma.

Patient Data

Age: 12
Gender: Female

There is an oblique lucent line that traverses the pars of the L4 vertebra.


Bilateral pars defect, but with no anterior displacement (no anterolisthesis). In addition, there is sacralisation of L5.

Case Discussion

The cause of the back pain is demonstrated here as bilateral pars defect without anterolisthesis.

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Case information

rID: 26691
Published: 3rd Jan 2014
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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