CNS Tumors

General Information

Frequency of Primary Intracranial Central Nervous System (CNS) Tumors
Etiologic Factors
Pathology and Associated Features
WHO Grading System
Regional Brain Syndromes
Cognitive Testing

Cranial Imaging

Tumors Classification

Supportive Tissue

Gliomas: Oliogdendro- and Astro- types
Gliomas: High Grade
Glioma: Ependymal types
Meningial Tumors

Tumors of Cranial and Spinal Nerves

Schwannoma (neurinoma, neurilemoma)
Acoustic neuroma (vestibular schwannoma)
Malignant peripheral nerve sheath tumor (Malignant schwannoma)

Tumors by Location

Pituitary Sellar

Pituitary adenoma
Meningial Tumors

Cranial Nerve

Trigeminal neuralgia, CN V
Acoustic neuroma (vestibular schwannoma), CN VIII

Spinal Cord Tumors

Other CNS Tumors

Primary CNS Lymphoma
Arteriovenous Malforamtion
CNS Metastasis

Rare Low-Grade Neoplasms

Dysembryoplastic neuroepithelial tumor (DNT or DNET)


Treated with surgery alone
Gangliogliomas which are progressive and unresectable may resond to RT

Orbital/Ocular Tumors

Cranial Nerve Review

Brain Metastasis


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