Migration épidurale postérieure de hernie discale lombaire

Two men aged 46 and 50 years with cauda equine syndrome and right radicular pain underwent magnetic resonance imaging. MRI showed a sequestrated disc fragment posterior to the thecal sac. It was hypointense on T1 and heterogeneous on T2 with a rim enhancement. This case illustrates the MRI features of this rare condition. A review of the literature is presented.