radiotherapy meaning

Noun: radiotherapy  `reydeeow'therupee

1. (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance
   - radiation therapy, radiation, actinotherapy, irradiation

Derived forms: radiotherapies

See also: radiotherapist

Type of: therapy

Encyclopedia: Radiotherapy Radiotherapy, adjuvant

[Electronics]
The use of X rays and/or radioactive substances in the treatment of disease and disorders.

[Medicine]
The use of ionizing radiation to treat malignant neoplasms and other benign conditions. The most common forms of ionizing radiation used as therapy are x-rays,gamma rays,and electrons. A special form of radiotherapy,targeted radiotherapy,links a cytotoxic radionuclide to a molecule that targets the tumor. When this molecule is an antibody or other immunologic molecule,the technique is called RADIOIMMUNOTHERAPY. n pl -pies : the treatment of disease by means of radiation (as X rays) —called also radiation therapy, radium therapy —compare RADIODIAGNOSIS

• adjuvant radiotherapy:    [Medicine]Radiothe ...
• conformal radiotherapy:    [Medicine]Radiothe ...
• implant radiotherapy:    [Medicine]A collec ...

Examples

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1. surgery and radiotherapy should be combined.
2. gamma knife treatment is a kind of radiotherapy
3. nursing of toxic and side effect of chest radiotherapy
4. simulation in radiotherapy for esophageal carcinoma
5. a new type of die for blocks of x-ray conformal radiotherapy