: A diagnostic and at times therapeutic procedure performed to collect a sample of cerebrospinal fluid for biochemical, microbiological, and cytological analysis, or rarely to relieve increased intracranial pressure
a special needle is placed into the lower back, into the spinal canal This is the area around the spinal cord The pressure in the spinal canal and brain can then be measured A small amount of cerebral spinal fluid (CSF) can be removed and sent for testing to determine if there is an infection or other problems CSF is the fluid that bathes your child's brain and spinal cord
A procedure in which a needle is inserted into the space surrounding the spinal cord in order to withdraw cerebrospinal fluid The cerebrospinal fluid is then analyzed in a laboratory for evidence of disease Also called a lumbar puncture
n Insertion of a needle between two lumbar vertebrae into the spinal cord in order to obtain a sample of cerebrospinal fluid for diagnosis or to introduce medication Also called lumbar puncture