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[Intradural spinal arachnoid diverticula and cysts. 6 cases]
Neuro-Chirurgie
|January 1, 1983
Summary
Intradural arachnoid cysts can arise from congenital malformations or arachnoiditis, often causing pain and neurological deficits. Prognosis requires caution due to potential complications like post-operative arachnoiditis and recurrence.
Area of Science:
- Neurology
- Neurosurgery
- Spinal Cord Imaging
Background:
- Intradural arachnoid cysts are rare spinal pathologies.
- Understanding their diverse etiologies is crucial for diagnosis and management.
Observation:
- Three cases of communicating diverticula and three symptomatic intradural arachnoid cysts are presented.
- Two cases involved slow development in patients with Von Recklinghausen neurofibromatosis, suggesting congenital origins.
- Two cases were linked to myelography and surgery, indicating arachnoiditis as a potential cause.
Findings:
- Intradural arachnoid cysts exhibit diverse underlying mechanisms.
- These cysts are typically located dorsally or posteromedially but can occur cervically or lumbarly.
- Common symptoms include localized/cordonal pain, sensory, and motor deficits in the lower limbs.
Implications:
- The findings highlight the varied origins and presentations of intradural arachnoid cysts.
- Early diagnosis and intervention are important given the potential for neurological deficits.
- Reserved prognosis is advised due to the risk of post-operative arachnoiditis and cyst recurrence.