Total amount of radiation absorbed by specific material or tissues.

Skin changes at the site of ionizing radiation.

A doctor who specializes in using radiation to treat tumors.

The medical specialty of radiation therapy.

The use of radiation energy to interfere with tumor growth. See irradiation.

Of or relating to radiography.

Examination of any part of the body for diagnostic purposes by means of x-rays with the record of the findings usually impressed upon a photographic film.

A physician trained in the diagnostic and/or therapeutic use of x-rays and radionuclides, radiation physics, and biology.

1) The science of high energy radiation and of the sources and the chemical, physical, and biologic effects of such radiation; the term usually refers to the diagnosis and treatment of disease. 2) The scientific discipline of medical imaging using ionizing radiation, radionuclides, nuclear magnetic resonance, and ultrasound.

Impenetrable by x-rays or any other form of radiation.

Resistant to radiation therapy.

Responsive to radiation therapy.

See stereotactic radiosurgery.

A specialist in radiotherapy.

The medical specialty concerned with the use of electromagnetic or particulate radiation in the treatment of disease.