Youmans and Winn Neurological Surgery

Radiologic Features of Central Nervous System Tumors

This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 144.1 . Key Concepts MRI is the primary imaging modality for brain tumor detection and characterization. CT is a useful imaging modality to evaluate bone…

Epidemiology of Brain Tumors

This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 142.1 . Key Concepts Risks of gliomas and meningiomas vary significantly across sex, age, histology, ethnicity, and geography. The incidences of glioblastoma (the most common…

Basic Science of Brain Metastases

This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 139.1 . Key Concepts Melanomas and lung, breast, colorectal, and renal cancers show the most proclivity for the brain, followed more uncommonly by thyroid, gastrointestinal…

Malignant Glioma Microenvironment

Key Concepts The malignant glioma microenvironment is infiltrated by multiple types of immune cells, including myeloid cells and microglia, which are a significant component of these tumors. These cells contribute to immunosuppression and facilitate tumor cell invasion of normal brain.…

The Genetic Origins of Brain Cancers

This chapter includes an accompanying lecture presentation that has been prepared by the author: Video 137.1 . Key Concepts The basis of CNS malignancies is DNA mutations in genes that regulate cell fate, survival, and genome maintenance. Most commonly these…

Brain Tumor Stem Cells

This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 135.1 . Key Concepts Glioblastoma multiforme cells are hierarchically organized with brain tumor stem cells (BTSCs) on top. BTSCs have stem cell properties and are…