Coexistence
of intervertebral disc herniation with intradural schwannoma in a lumbar segment: a case report. T2-weighted sagittal image (a) revealed L3/4 disc herniation which compressed the dural sac from the right side. Two slices away, there was a hyperintense intradural mass at the same level (b). T1-weighted sagittal image (c) demonstrated a hypointense mass behind the L3/4 intervertebral disc