Lumbar puncture (lumbarpuncture) is one of the common clinical examination methods in neurology. It has important value for the diagnosis and treatment of neurological diseases, is simple and easy to perform, and is relatively safe to operate;
However, if the indications are not properly grasped, the minor can worsen the original condition, and the severe can even endanger the patient's safety. Lumbar puncture is a needle inserted between the gaps L3 and L4 or L4 and L5. Cerebrospinal fluid specimens are collected for diagnosis. Lumbar puncture can also be used for treatment.