A lumbar puncture is used to take a sample of the cerebrospinal fluid from the lower back. This fluid flows around the spinal cord and the brain, and clears waste products. Levels of certain proteins ...

Removal of bone begins with the spinous process. The amount of bone removed depends on the amount of stenosis. For instance, if the patient has lumbar stenosis from the L3 to L5 levels ...

A 64-year-old patient with suspected normal pressure hydrocephalus underwent a lumbar puncture during which 30 mL of cerebrospinal fluid (CSF) was drained. Since the CSF opening pressure was ...

"In some patients undergoing a lumbar puncture, the bony landmarks used to guide the needle aren't easily felt, and in the ...

(THE CONVERSATION) Cerebrospinal fluid, or CSF, is a clear, colorless liquid that plays a crucial role in maintaining the health and function of your central nervous system. It cushions the brain and ...