Neurosurgical Oncology Glossary

A surgical technique using 5-aminolevulinic acid to induce tumor tissue fluorescence, enhancing visualization during gli...

A WHO grade III malignant glial tumor characterized by increased cellularity and nuclear atypia compared to lower-grade...

A neurosurgical procedure performed while the patient is conscious to allow real-time testing of brain function during t...

Monoclonal antibody targeting VEGF used as anti-angiogenic therapy for recurrent glioblastoma.

A neurosurgical approach where only tissue sampling is performed without attempt at tumor resection, typically for deep...

A selective barrier that prevents most substances in blood from entering brain tissue, critical in brain tumor treatment...

Primary brain tumor arising within the brainstem structures, often requiring specialized treatment approaches.

A glioma that crosses the midline through the corpus callosum, creating a bilateral symmetric appearance.

Biodegradable polymer wafer containing chemotherapy agent placed directly into the tumor cavity during surgery.

Temporary loss of speech following posterior fossa surgery, characterized by inability to speak despite intact comprehen...

Post-operative complication following posterior fossa surgery characterized by speech loss and behavioral changes.

Clear fluid that circulates within the brain ventricles and subarachnoid space, providing cushioning and metabolic suppo...

A benign WHO grade I tumor arising from the choroid plexus epithelium, most commonly occurring in the lateral ventricles...

Increased signal intensity on post-contrast imaging indicating blood-brain barrier disruption or increased vascularity i...

A drug delivery technique using positive pressure to distribute therapeutics directly into brain tissue, bypassing the b...

Surgical division of the corpus callosum to treat certain types of intractable epilepsy or remove callosal tumors.

Intraoperative technique using electrical stimulation to identify and preserve critical brain areas during tumor resecti...

A surgical procedure involving the temporary removal of a bone flap from the skull to access the brain.

Surgical reduction of tumor burden to improve treatment efficacy and patient outcomes.

Surgical removal of as much tumor tissue as possible to reduce tumor burden and enhance effectiveness of adjuvant therap...

Advanced MRI technique that maps white matter fiber tracts to guide surgical planning and minimize functional damage.

An aggressive brainstem tumor primarily affecting children with poor prognosis and limited treatment options.

A benign, cortical tumor typically presenting with seizures in children and young adults.

A neoplasm that originates from or is attached to the dura mater, the tough outer membrane covering the brain and spinal...