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Multiple intradural arachnoid diverticuli: the need for complete myelography
Neurosurgery
|December 1, 1984
Summary
A spinal arachnoid diverticulum caused a boy's leg weakness and enuresis. A second diverticulum was found and treated, highlighting the need for complete spinal imaging.
Area of Science:
- Neurology
- Neurosurgery
- Pediatric Neurology
Background:
- Intradural spinal arachnoid diverticuli are rare congenital malformations.
- They can cause neurological deficits through spinal cord compression.
Observation:
- A 12-year-old boy presented with enuresis, leg weakness, and lower extremity spasticity.
- Initial myelography revealed a lumbar arachnoid diverticulum, treated with a cystopleural shunt, leading to initial improvement.
- Recurrence of symptoms prompted repeat myelography, identifying a second, previously undetected midthoracic arachnoid diverticulum.
Findings:
- The second arachnoid diverticulum was successfully treated with marsupialization.
- Complete myelography is crucial for diagnosing all spinal arachnoid diverticuli.
Implications:
- This case underscores the importance of thorough diagnostic imaging in pediatric patients with spinal abnormalities.
- Prompt and complete diagnosis and treatment of spinal arachnoid diverticuli can prevent long-term neurological sequelae.