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A case of intradural lumbar disc herniation
Utsav Bhattarai1, Pritam Gurung1, Janam Shrestha1
1Department of Neurosurgery Annapurna Neurological Institute and Allied Sciences Kathmandu Nepal.
Clinical Case Reports
|June 16, 2023
Summary
Intradural lumbar disc herniation is rare, often missed preoperatively despite MRI. Diagnosis is aided by intraoperative ultrasound and pathology, with prompt surgery crucial to prevent cauda equina syndrome.
Area of Science:
- Neurosurgery
- Spinal Imaging
- Pathology
Background:
- Lumbar disc herniation is common, but herniation into the dural space is a rare variant.
- The exact pathogenesis of intradural disc herniation remains incompletely understood.
- Magnetic Resonance Imaging (MRI) is the primary diagnostic modality for spinal pathologies.
Observation:
- Preoperative diagnosis of intradural disc herniation is challenging, even with advanced imaging like MRI.
- A discrepancy between preoperative imaging findings and intraoperative observations raises suspicion for this rare condition.
- Intraoperative ultrasonography and histopathological examination of surgical specimens are crucial for definitive diagnosis.
Findings:
- Intradural disc herniation represents a rare complication of lumbar disc degeneration.
- Diagnostic accuracy for intradural disc herniation preoperatively is limited.
- Intraoperative tools and post-resection analysis confirm the diagnosis.
Implications:
- Prompt surgical intervention is recommended for intradural disc herniation.
- Early surgery is critical to mitigate the high risk of developing cauda equina syndrome.
- Improved diagnostic strategies are needed to enhance preoperative identification of this rare entity.
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