Fig. 2From: Risk factors for spinal subdural hematoma after minimally invasive transforaminal lumbar Interbody Fusion (MI-TLIF): a multivariate analysisThe ventrodorsal combined-type SSH. (a) preoperative T2-weighted sagittal magnetic resonance (MR) image; (b) preoperative T1-weighted sagittal MR image; (c) preoperative T2-weighted axial MR image; (d) postoperative T2-weighted sagittal MR image; (e) postoperative T1-weighted sagittal MR image; (f) postoperative T2-weighted axial MR imageBack to article page