Abstract
is is the clinical observation on the 177 confirmed cases by the neurosurgical procedure and necropsy.
Among them, 95 males and 82 females, two third were 20 to 50-years-old of age. Main diagnostic procedure was cerebral angiography.
The pathological classification showed almost same frequency in the gliomatous group, meningioma and others. The localization of the tumor at the brain is closely related with pathological classification.
Post-operatively 40% of cases survived for 3 years or longer.
