What are the indications of doing lumbar needle threading?

Hello! Lumbar puncture is performed for two main purposes: diagnosis and treatment of disease. Therefore, its indications include: 1. Diagnosis and differential diagnosis of inflammatory diseases of the central nervous system, including purulent meningitis, tuberculous meningitis, viral meningitis, etc. Diagnosis and differential diagnosis of cerebrovascular accidents: including cerebral hemorrhage, cerebral infarction, subarachnoid hemorrhage, etc. Diagnosis and treatment of neoplastic diseases: It is used for the diagnosis of meningol leukemia and the treatment of meningol leukemia by intrathecal injection of chemotherapy drugs through lumbar puncture. The intracranial pressure was measured and the subarachnoid space was blocked. Intraspinal administration.