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KMID : 0359719960140030836
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Journal of the Korean Neurological Association
1996 Volume.14 No. 3 p.836 ~ p.841
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Radionuclide Cisternographic Findings in Patients with Intracranial Hypotension
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Abstract
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The syndrome of postural headache associated with low CSF pressure usually occurs after a dural puncture, myelography, or spinal anesthesia. However, it can also develop spontaneously or after minor trauma. Although the clinical and MRI findings
of
this
syndrome are well described, radionuclide cisterno-graphic findings have not yet been clearly characterized. We report four patients presenting with postural headache associated with very low or unmeasurable CSF pressure. Three patients developed
after
minor trauma, while one developed spontaneously. Brain MRI revealed symmetric pachymeningeal enhancement in all four patients. Radionuclide cisternography demonstrated delayed migration of tracer to the cerebral convexity at 6 and 24 hours in
three
patients, and early soft tissue uptake suggestive of CSF leakage in one. We suggest that these radionuclide cisternographic findings are supportive evidences for the presence of intracranial hypotension and may provide useful information for
appropriate
treatment.
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KEYWORD
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