Fig. 2From: Complications and risk factors of percutaneous endoscopic transforaminal discectomy in the treatment of lumbar spinal stenosisCase illustration of epidural hematoma. A 64-year-old male patient underwent PETD for right-sided lateral recess stenosis at L4/5 level. Posterior-anterior (AP) X-ray (a), lateral X-ray (b), sagittal (c), and axial (d) MRI showing right-sided lateral recess stenosis at L4/5 level; postoperative sagittal (e) CT showing foraminoplasty; postoperative sagittal (f) and axial (g) MRI demonstrating an epidural hematoma; postoperative sagittal (h) and axial (i) MRI after the second PETD demonstrating disappearance of epidural hematomaBack to article page