External Radiation Therapy Medical Terminology

In radiation therapy strong high energy rays kill cancer cells or slow their growth. Or a supervoltage linear accelerator cyclotron or betatron.

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A machine is used to aim high energy radiation at the cancer.

External radiation therapy medical terminology. A treatment that is given in addition to the primary treatment to enhance its effectiveness and reduce the chance of the tumor recurring. External radiation is a local therapy. Like surgery radiation therapy is a local treatment that affects cancer cells only in the treated area.

Radiation may come from a machine outside the body external beam radiation therapy or it may come from radioactive material placed in the body near cancer cells internal radiation therapy or brachytherapy. In breast cancer adjuvant therapy includes chemotherapy radiation therapy or hormone therapy. The use of high energy radiation from x rays gamma rays neutrons protons and other sources to kill cancer cells and shrink tumors.

What is external radiation therapy. Radiation may be prescribed by a radiation oncologist with intent to cure curative or for adjuvant therapy. Radiation can come from a machine external radiation or from a small container of radioactive material implanted directly into or near a tumor internal radiation.

Radiation schedule in which the total dose is given over a shorter period of time. Radiation oncology is the medical specialty concerned with prescribing radiation and is distinct from radiology the use of radiation in medical imaging and diagnosis. A megavoltage cobalt 60 machine.

Ert is used most frequently in the treatment of cancer but also in the therapy of keloids and some. The machine can rotate around the patient delivering radiation from many different angles to provide highly conformal treatment. Compare to hyperfractionated radiation adjuvant therapy add joo vunt.

The therapeutic application of ionizing radiation from an external beam of a kilovoltage radiographic machine. In external radiation therapy the radiation is aimed at the cancer from a source outside the body. External beam radiation therapy of the head and neck.

Anaplasia characteristic of most cancerous cells in which there is a loss of differentiation and an irreversible alteration in adult cells toward more embryonic cell types. Modern machines better focus the radiation and do less damage to normal tissues so doctors can use higher doses of radiation. Radiation therapy often is used as an adjuvant to surgery.

Basic radiation therapy terms accelerated radiation. Radiation therapy involves the use of frequently unfamilar terms. A treatment used in addition to the main primary therapy.

This means it affects the cancer cells. The use of high energy rays to damage cancer cells stopping them from growing and dividing. Below is a list of words used during treatment in the radiation oncology department.

External radiation is usually done during outpatient visits to a hospital or treatment center. Radiation technology allows the precise delivery of external beam radiation therapy.

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