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L4-5 Disc Herniation
This stock medical exhibit shows an L4-5 disc herniation. The first illustration shows a lateral view of the skull and a mid-sagittal view of the spine and spinal cord. The area of injury is indicated in the lumbar spine. The second illustration shows an MRI of the lumbar spine. The herniation of the L4-5 disc is depicted. The vertebral bodies of L1, L2, L3, L4, L5 and S1 are also seen. The third illustration is from the MRI. It includes a drawing over the lumbar spine on the MRI that more clearly shows the herniation of the L4-5 disc. The disc is impinging on the cauda equina of the spinal cord.