We present the analysis of some clinical, pathological, radiological, electroencephalographic, and response to treatment in 100 cases of intracranial gliomas. Separately discuss each of the above mentioned aspects and will seek, where necessary to aggregate results of our findings. The material for this analysis we have 'taken from the tumors studied in the Department of Neurosurgery, National Institute of Neoplastic Diseases; some cases come from the casuistry of the Anglo American Clinic.

In the stories of 35 cases of patients with intracranial meningeomas served at the NIE, we have studied the following: history of patients, sex, age, location of tumor, symptoms, giving special attention to the most common symptoms: headache , epilepsy, visual disturbances, mental disorders, motor disturbances, sensory disturbances and presence of extracranial tumor period prior to admission of patients disease; most common findings on clinical examination; radiology, electroencephalography, treatments used, survival after surgical treatment of the same value and considering the conditions of survival.

Four cases of monostotic eosinophilic granuloma are presented. Three of them located in the skull and one located in a vertebra. The relationship between this entity and the disease, Hand-Schuller-Christian and Letterer-Siwe is emphasized, highlighting the mild monostotic eosinophilic granuloma.

Cerebral angiography and clinical procedure is entirely due to Egas Moniz and work colleagues (mainly Almeida Lima), who began his research in 1926, making its first human arteriography in 1927.