Figure 3
From: Management of giant pseudomeningoceles after spinal surgery
Nerve roots herniating into a pseudomeningocele. A 78-year-old male underwent laminectomy and discectomy for L4--L5 disk herniation. A giant pseudomeningocele (length, 9 cm; width, 5 cm; depth, 3 cm) developed after surgery. Nerve roots herniating through the dural and arachnoid tears and into the pseudocyst was observed on axial MRI (arrow).