Sunday 13 September 2020

Hahn cleft or canal MRI lumbar spine

 

A linear low signal running transversely in L1 vertebral body through its whole sagittal diameter without marrow odema on STIR.

It's a "Hahn cleft or canal", a normal anatomical variation of no clinical significance and is secondary to persistent nutrient artery and its canal, should not be mistaken for fracture. 

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