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A member asked:
How is a ct cisternogram performed?
A doctor has provided 1 answer
Lumbar Puncture: Approximately 3–10 ml of an iodinated nonionic low-osmolar contrast agent is administered by means of lumbar puncture (spinal tap). The patient is then tilted to get the contrast to flow around the brain. A post contrast ct is obtained to evaluate the area. If a CSF leak had been diagnosed pre-contrast images would have been obtained first.
Answered 1/5/2019
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