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Postlaminectomy lumbar pseudomeningocele: report of four cases
1Division of Neurosurgery, East Carolina University School of Medicine, Greenville, North Carolina.
Abstract:
Pseudomeningocele formation is unusual after a lumbar discectomy. Four patients who developed a pseudomeningocele after lumbar disc surgery are reported. The pseudomeningocele was symptomatic in three patients. The diagnosis of a pseudomeningocele was made by computed tomography in conjunction with myelography in three patients and magnetic resonance imaging in the fourth. All patients underwent surgery for the pseudomeningocele with primary closure of the dural defect (the patient whose meningocele was asymptomatic also had an excision of an extruded disc), and postoperative results were gratifying.
Insights
Pseudomeningocele, a rare complication after lumbar discectomy, can cause symptoms. Surgical repair of the dural defect led to positive outcomes in four reported cases.
Area of Science:
- Neurosurgery
- Spinal Surgery
- Neurology
Background:
- Pseudomeningocele is an uncommon complication following lumbar discectomy.
- This condition involves the formation of a sac-like cavity filled with cerebrospinal fluid due to a dural defect.
Observation:
- This report details four patients who developed pseudomeningocele after lumbar disc surgery.
- Three of these patients presented with symptomatic pseudomeningocele.
- Diagnostic imaging included computed tomography with myelography and magnetic resonance imaging.
Findings:
- All four patients with pseudomeningocele underwent surgical intervention.
- The surgical approach involved primary closure of the dural defect.
- One asymptomatic patient also underwent excision of an extruded disc.
Implications:
- Surgical repair of dural defects is an effective treatment for symptomatic pseudomeningocele after lumbar discectomy.
- Prompt diagnosis and surgical management can lead to gratifying postoperative results.
- Understanding this complication aids in optimizing surgical outcomes and patient care in spinal surgery.