This patient was referred with the history of sudden onset lower back pain and lower limbs paresthesia with suspicious for acute disc herniation.

Lumbar MRI was done and imaging findings revealed abnormal signal at the L3-L4 disc space and endplates of the L3 and L4 vertebrae with suspicion for spondylodiscitis. It should be mentioned that spondylodiscitis can progress to psoas abscess formation and residual deformity. MRI is the modality of choice for reliable diagnosis and for differentiation from similar diseases.