MRI - MRI lumbar spine
T11/12 focal large posterior midline disc herniation with a narrow neck and broad apex (disc extrusion) and posterior annulus tear showing minimal epidural caudal migration. It is connected to the related disc with no evidence of sequestration. It is markedly compressing the conus medullaris. It elevates the related posterior longitudinal ligament. It is averaging 11x14 mm. No appreciable post-contrast enhancement.