Cerebellar tumors are tumors originating from the cerebellum and the fourth ventricle in the posterior fossa. The disease will seriously affect the health and spirit of the patient. Open skull surgery for cerebellar tumors is a highly effective treatment option.

Anesthesia in ventricular hematoma removal surgery is a method of anesthesia by general anesthesia through endotracheal intubation. The purpose of this method is to help control the patient's breathing during the ventricular hematoma removal surgery and to effectively resuscitate after surgery.