Search: external beam radiation therapy

external beam radiation therapy

The use of high-energy radioactive beams to kill cancer cells or injure them so they cannot multiply. The beams of radiation are directed at the cancer from a machine.

Radiation Therapy

two main ways of giving radiation therapy, outside the body or inside the body. You may have one or both types of radiation therapy, depending on the cancer type and other factors. External beam radiation therapy. Radiation beams from a…

three-dimensional conformal radiation therapy (3D-CRT)

A type of external radiation therapy that uses a computer to shape the radiation beams to the shape of the tumour. This delivers high doses of radiation to the tumour while sparing the normal tissues as much as possible. Beams…

intensity modulated radiation therapy (IMRT)

A type of external radiation therapy in which the radiation beams are aimed from several directions, while the intensity (strength) is controlled by computers. This helps to reduce some side effects.

radiation therapy

The use of radiation, usually x-rays or gamma rays, to kill cancer cells or injure them so they cannot grow and multiply. Sometimes radiation therapy is used to control pain.

selective internal radiation therapy

A type of internal radiation therapy used to treat liver tumours. Also called SIRT.

internal radiation therapy

See brachytherapy or radioisotope therapy.

News: State-of-the-Art Radiation Therapy Starts up at Springfield

Springfield’s first radiotherapy service opened its doors this week, enabling local cancer patients to access more affordable, timely treatment. The first patient received radiation therapy earlier this week at the new Radiation Oncology Centres (ROC) facility, based at the new…

volumetric modulated arc therapy (VMAT)

A type of radiation therapy whereby single or multiple beams of radiation sweep around the body, greatly reducing treatment time….


Energy in the form of waves or particles, including gamma rays, x-rays and ultraviolet (UV) rays. This energy is harmful to cells and is used in radiation therapy to destroy cancer cells.