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77

NCCN Guidelines for Patients

®

:

Brain Cancer – Gliomas, Version 1.2016

Dictionary

mutation

Abnormal changes in the instructions within cells for making

and controlling cells (genes).

neuropathologist

A doctor who’s an expert in studying cells within the nervous

system to classify disease.

neurosurgeon

A doctor who’s an expert in surgery within the nervous

system.

observation

A period of testing for cancer growth.

oligodendrocyte

A type of glial cell that makes a fatty membrane called

myelin.

open biopsy

Removal of tissue samples through a large opening in the

skull.

pathologist

A doctor who’s an expert in testing cells to find disease.

performance status

A rating of one’s ability to do daily activities.

platinum-based chemotherapy

Treatment with two chemotherapy drugs, one of which is

platinum-based.

positron emission tomography (PET)

A test that uses radioactive material to see the shape and

function of body parts.

primary tumor

The first mass of cancer cells of their kind.

prognosis

The expected pattern and outcome of a disease based on

tests.

proton therapy

Radiation therapy that uses protons to treat a disease. Also

called hadron therapy.

radiation oncologist

A doctor who’s an expert in treating cancer with radiation.

radiation therapy

The use of radiation to treat cancer.

radiologist

A doctor who’s an expert in reading imaging tests.

sedative

A drug that helps a person to relax or go to sleep.

side effect

An unplanned physical or emotional response to treatment.

simulation

The steps needed to prepare for radiation therapy.

stereotactic biopsy

Removal of tissue samples through a small opening in the

skull.

stereotactic radiosurgery

Treatment with large doses of radiation within a small area.

subtotal resection

An operation that removes a large piece of tissue.

supportive care

Treatment for symptoms of a disease.

targeted therapy

Drugs that stop the growth process that is specific to cancer

cells.

three-dimensional conformal radiation therapy

(3D-CRT)

Radiation therapy that uses beams that match the shape of

the tumor.

translocation

The switching of parts between chromosomes.