Herniated L5-S1 Disk: T2-weighted MRI of the lumbosacral spine; (Left) sagittal image; (Right) axial image.Note the large disk herniation between the L5 and S1 vertebral bodies. On the axial scan, the ...

Herniated L5-S1 Disk: T2-weighted MRI scans of the lumbosacral spine; (Left) Sagittal image; (Right) Axial images.On the T2-weighted images, CSF is bright. Note the large disk herniation between the ...

Herniated nucleus pulposus (HNP), also referred to as a herniated disc, is a common spine pathology that occurs approximately 95% of the time at the L4-L5 or L5-S1 level (Fisher et al., 2004; Asch ...

The L5 and S1 nerve roots are most commonly implicated in radicular pain. Typically, involvement of the L5 nerve root causes back pain that radiates down the lateral aspect of the leg to the top ...

The neurological examination revealed a pleasant, moderately obese female with an antalgic gait, favoring the left leg. Range of motion (ROM) of the lumbar spine was severely limited in all ...

Mass effect on the thecal sac and on the left S1 nerve root at its exit from the thecal sac are noted. The L5 nerve roots pass superior to the lesion through the foramina and are not involved.