Iliolumbar ligament on MRI

Case contributed by Dr Mauricio Macagnan

The red arrows represent the iliolumbar ligament in different planes and the figure is represented in red.

Case Discussion

The iliolumbar ligament is often easily identified in MRI scans and helps in cases where there is doubt as to the number of lumbar vertebrae, because in most cases (96%) is inserted in the L5 transverse process.
In cases where the patient has transition vertebra, the ligament can be IIliolumbar directory to use as anatomical reference reference for defining the lumbar vertebrae.

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Case information

rID: 48464
Published: 7th Oct 2016
Last edited: 14th Aug 2019
Inclusion in quiz mode: Excluded

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