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Low-pressure headaches and spinal cord herniation. Case report
Tomohiro Inoue1, Aaron A Cohen-Gadol, William E Krauss
1Department of Neurologic Surgery, Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA.
Journal of Neurosurgery
|January 28, 2003
Summary
Spinal cord herniation can cause neurological deficits. In a rare case, herniation may resolve intracranial hypotension by sealing cerebrospinal fluid leaks, leading to headache resolution.
Area of Science:
- Neurology
- Neurosurgery
- Spinal Cord Imaging
Background:
- Spontaneous transdural spinal cord herniation is a rare condition with unclear pathogenesis.
- Patients often present with neurological deficits like gait disturbance and sensory changes, mimicking Brown-Séquard syndrome.
- The origin of the dural defect (acquired vs. congenital) remains debated.
Observation:
- A 21-year-old male experienced a 3-year history of intermittent low-pressure headaches indicative of intracranial hypotension.
- The patient's headaches eventually resolved.
- Following headache resolution, the patient developed myelopathy attributed to spinal cord herniation.
Findings:
- The study presents a unique case of spinal cord herniation.
- Authors hypothesize that the herniation acted as a seal for a spontaneous cerebrospinal fluid leak.
- This sealing mechanism led to the resolution of intracranial hypotension and associated headaches.
Implications:
- This case offers a novel perspective on the pathogenesis of spontaneous spinal cord herniation.
- It suggests a potential mechanism by which spinal cord herniation can paradoxically resolve symptoms of intracranial hypotension.
- Understanding this mechanism may inform future diagnostic and therapeutic strategies for related spinal and neurological conditions.