Skip to main content
← Back to Neuro Oncology

Neuro Oncology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

oligodendroglioma

Professional Technical IVT

A type of brain tumor arising from oligodendrocytes, characterized by fried-egg appearance on histology and often carrying 1p/19q codeletion.

Showing 25–48 of 100

dexamethasone

Intermediate Technical IVT

A potent corticosteroid medication used to reduce brain edema and intracranial pressure in patients with brain tumors.

Technical Term Full entry →

diffusion-weighted imaging

Intermediate Technical IVT

An MRI technique measuring water molecule movement to differentiate tumor types and assess treatment response in brain t...

DWI
Technical Term Full entry →

DIPG

Professional Technical IVT

Diffuse intrinsic pontine glioma, a rare and aggressive brainstem tumor primarily affecting children.

Technical Term Full entry →

Eloquent Area

Intermediate Technical IVT

Brain regions responsible for critical neurological functions that, if damaged, would cause significant functional defic...

Technical Term Full entry →

eloquent brain regions

Advanced Technical IVT

Brain areas where damage would cause significant neurological deficit, crucial for surgical planning documentation.

Technical Term Full entry →

eloquent cortex

Intermediate Technical IVT

Brain regions where damage would result in significant neurological deficits, requiring special surgical consideration.

Technical Term Full entry →

enhancement kinetics

Advanced Technical IVT

The temporal pattern of contrast uptake and washout in brain lesions during dynamic imaging studies, used to characteriz...

Technical Term Full entry →

enhancing lesion

Intermediate Technical IVT

A brain abnormality that shows increased signal intensity after gadolinium contrast administration, indicating blood-bra...

Technical Term Full entry →

ependymoma

Professional Technical IVT

A glial tumor arising from ependymal cells that line the ventricular system and central canal of the spinal cord.

Technical Term Full entry →

extent of resection

Professional Technical IVT

The degree of tumor removal achieved during surgery, categorized as gross total, subtotal, or biopsy, with prognostic im...

Technical Term Full entry →

FLAIR sequence

Intermediate Technical IVT

Fluid-attenuated inversion recovery MRI sequence that suppresses cerebrospinal fluid signal to better visualize brain le...

Technical Term Full entry →

Functional MRI

Intermediate Technical IVT

Magnetic resonance imaging technique that maps brain activity by detecting blood flow changes during specific tasks.

Technical Term Full entry →

gamma knife radiosurgery

Professional Technical IVT

A precise form of stereotactic radiosurgery using focused gamma rays to treat brain tumors and vascular malformations.

Technical Term Full entry →

ganglioglioma

Advanced Technical IVT

A mixed neuronal-glial tumor typically WHO Grade I, commonly presenting with seizures and showing characteristic biphasi...

Technical Term Full entry →

glial fibrillary acidic protein

Advanced Technical IVT

An intermediate filament protein specific to astrocytes, commonly used as an immunohistochemical marker for diagnosing g...

Technical Term Full entry →

glioblastoma multiforme

Professional Technical IVT

The most aggressive primary brain tumor, requiring precise editorial handling of its complex staging and treatment termi...

Technical Term Full entry →

glioma-associated seizures

Intermediate Technical IVT

Epileptic seizures that occur as a consequence of brain tumor growth and its effects on surrounding neural tissue.

Technical Term Full entry →

gliomatosis cerebri

Professional Technical IVT

A rare diffuse glioma growth pattern characterized by extensive infiltration of multiple brain regions while preserving...

Technical Term Full entry →

gross total resection

Intermediate Technical IVT

Complete surgical removal of visible tumor tissue, a key prognostic factor requiring precise editorial distinction from...

Technical Term Full entry →

hydrocephalus

Intermediate Technical IVT

Abnormal accumulation of cerebrospinal fluid within the ventricles of the brain, often associated with brain tumors.

Technical Term Full entry →

IDH-wildtype

Advanced Technical IVT

A molecular classification indicating absence of IDH mutations, associated with more aggressive glioma behavior.

Technical Term Full entry →

Immunohistochemistry Panel

Intermediate Technical IVT

A set of antibody-based stains used to identify specific proteins in tumor tissue for diagnostic classification.

Technical Term Full entry →

infiltrative growth pattern

Advanced Technical IVT

A characteristic tumor behavior where neoplastic cells invade and grow between normal brain tissue rather than forming a...

Technical Term Full entry →

Intraoperative Monitoring

Professional Technical IVT

Real-time neurological function assessment during brain tumor surgery to guide safe resection and prevent deficits.

Technical Term Full entry →
Showing 25–48 of 100

Editors from these organisations have used our services since 1998

Reuters BBC Oxford University Press Penguin Random House Springer Microsoft Suncor Energy United Nations Fisher Investments IBM The Home Depot KODAK CHEVRON