Intracranial Tumor Classification

World Health Organization Classification of Tumors of the Central Nervous System.

Supratentorial tumor.

Infratentorial tumor.

Adult Intracranial Tumor.

see Pediatric intracranial tumor

Approximately 20% of pediatric intracranial tumors arise from the thalamus or brainstem, with an incidence rate of 5% and 15%, respectively.

Excluding autopsy data, meningiomas comprise approximately 22% of primary intracranial tumors.

Olfactory groove meningiomas can grow insidiously large and present as one of the largest intracranial tumors.