A 42-year-old member asked:
How much cerebro spinal fluid is removed during lumbar puncture ?
1 doctor answer
Dr. Larry Armstrong answered
26 years experience in Neurosurgery
3-5 cc: Usually routine analysis necessitates between 3 to 5 cc. This is about half a teaspoon to one teaspoon. Some conditions necessitate removing 2 teaspoons and in rare conditions such as hydrocephalus, 20-30 cc may be removed.
Answered on Dec 29, 2018
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