What Does A Spinal Needle Look For

The purpose of a spinal tap is to obtain cerebrospinal fluid for laboratory examination. It is mainly used for the diagnosis of some central nervous system diseases, such as encephalitis, cerebral hemorrhage, brain tumors, tuberculosis and so on. It's best to listen to your doctor, because every test your doctor decides on is necessary and specific. It's not harmful to the body. The needle is very thin.