A CSF leak is when CSF drains from a tear or hole in the membrane that surrounds the brain and spinal cord. In rare cases, the drainage can escape from a person's nose—appearing like a runny nose.

Dear W.M.: CSF surrounds and supports the brain and spinal cord. The meninges normally form a fluid-proof barrier, but if the ...

a sample of your cerebrospinal fluid is retrieved. The most common way to attain a sample is through a lumbar puncture, also known as a spinal tap.‌ Spinal taps can be unnerving or uncomfortable ...

biomarkers are currently measured in cerebrospinal fluid (CSF) obtained using a diagnostic lumbar puncture (LP) procedure. An accurate clinical biological diagnosis of Alzheimer Disease is valued ...

CSF samples are typically collected through a lumbar (spinal) tap. CSF is the clear fluid that cushions and delivers nutrients to your central nervous system. Your central nervous system consists ...

W.M. Answer: CSF surrounds and supports the brain ... I’ve seen this used in people with fluid drainage after a spinal tap or an epidural injection. Dr. Roach: Why don’t we eat eggshells?