Spinal Tap: What to Expect
A lumbar puncture is a test of the fluid around your spine and brain. This fluid is called cerebrospinal fluid (CSF). It provides protection and nutrition to the brain and nerve cells. CSF also helps to remove waste products from the brain.
Lumbar Puncture Method
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The test is done to look for abnormalities in the spinal fluid. It may be done to help diagnose conditions such as:
- Brain infection, or infection of the layers around the brain
- Multiple sclerosis (MS)
- Any disorder affecting the nervous system
- Certain types of cancer
- Bleeding in the brain or spinal cord
- Excess CSF in the brain
The procedure may also be done to:
Last reviewedFebruary 2014by Rimas Lukas, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.