• The MRI demonstrates trauma to the interspinous ligament with increased T2FS signal in the region of the interspinous ligament.

• The interspinous ligament lies between the spinous processes.

• Oedema indicates trauma to the region but is also a clue to the type of injury that has occurred.

• The interspinous ligament is one of a number of ligaments that need to be assessed on MRI post trauma.

Increased T2FS signal in the interspinous region.