Neurosurgical Oncology Glossary

Brain regions responsible for critical neurological functions whose damage would result in significant permanent disabil...

Brain regions responsible for critical functions like speech, movement, or sensation that require special consideration...

White matter tracts essential for critical neurological functions such as motor, sensory, language, or visual processing...

A meningioma variant that grows as a flat, carpet-like sheet rather than a discrete mass.

A brain abnormality that shows increased signal intensity after contrast agent administration on MRI, indicating blood-b...

A brain tumor arising from ependymal cells lining the ventricular system and central canal of the spinal cord.

Measure of how much tumor tissue was surgically removed, typically categorized as gross total, subtotal, or biopsy only.

MRI imaging sequence that suppresses cerebrospinal fluid signal to enhance visualization of brain pathology adjacent to...

Image-guided surgical navigation system using surface landmarks rather than a fixed stereotactic frame.

Intraoperative techniques used to identify and preserve critical brain functions during neurosurgical procedures.

A stereotactic radiosurgery device that delivers highly focused radiation beams to treat brain tumors and other intracra...

A low-grade mixed neuronal-glial tumor typically presenting with seizures and commonly found in the temporal lobe.

Biodegradable polymer wafer containing carmustine chemotherapy, implanted in the tumor cavity during surgery.

The most aggressive form of primary brain tumor, requiring precise terminology in clinical documentation.

Complete surgical removal of all visible tumor tissue, distinguished from subtotal resection in surgical reports.

Surgical removal of one cerebral hemisphere, typically performed for intractable epilepsy or extensive hemispheric tumor...

Abnormal accumulation of cerebrospinal fluid within the brain ventricles, causing ventricular dilation and increased int...

A radiation therapy technique delivering multiple smaller doses per day to increase the total dose while potentially red...

A genetic alteration in isocitrate dehydrogenase genes that defines distinct molecular subgroups of gliomas with prognos...

Located below the tentorium cerebelli, referring to brain tumors or surgical procedures in the posterior fossa.

A tumor arising within the substance of the spinal cord parenchyma, as opposed to extramedullary locations.

Real-time magnetic resonance imaging performed during brain surgery to guide tumor resection and assess completeness.

A standardized assessment tool measuring a patient's functional status and ability to perform daily activities, scored f...

Minimally invasive procedure using laser energy to heat and destroy tumor tissue under MRI guidance.