Radioimmunodetection

Radioimmunodetection (pronunciation: /ˌreɪdioʊˌɪmjʊnoʊdɪˈtɛkʃən/) is a medical imaging technique that uses radiolabeled antibodies to detect specific antigens in the body.

Etymology

The term "Radioimmunodetection" is derived from three words: "Radio" which refers to radiation, "Immuno" which refers to the immune system, and "detection" which refers to the process of identifying something.

Procedure

In Radioimmunodetection, radiolabeled antibodies are injected into the patient's body. These antibodies are designed to bind to specific antigens, such as those found on cancer cells. Once the antibodies have bound to their target, a special camera is used to detect the radiation emitted by the radiolabeled antibodies. This allows doctors to visualize the location and extent of the disease in the body.

Related Terms

Radiolabeled Antibodies: Antibodies that have been labeled with a radioactive substance.
Antigens: Substances that trigger an immune response in the body.
Radiation: Energy that is radiated or transmitted in the form of rays, waves, or particles.
Immune System: The body's defense against infectious organisms and other invaders.

Applications

Radioimmunodetection is primarily used in the detection and staging of cancer. It can also be used to monitor the effectiveness of cancer treatments and to detect recurrence of the disease.

Advantages and Disadvantages

The main advantage of Radioimmunodetection is its high specificity, as it can target specific antigens on cancer cells. However, the technique has some limitations, including the risk of radiation exposure and the potential for false-positive results due to non-specific binding of the radiolabeled antibodies.

External links

Medical encyclopedia article on Radioimmunodetection
Wikipedia's article - Radioimmunodetection

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Radioimmunodetection