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Radionuclide Imaging and Therapy

Radionuclide imaging is a process that provides images (scans) of internal body structures, particularly regions where cancer cells are present. Radionuclide imaging is a process that provides images (scans) of internal body structures, particularly regions where cancer cells are present. To be able to scan these regions, a small amount of a radioactive chemical (radionuclide) is injected into a vein or must be swallowed by the patient. The common use of radionuclide scanning is to diagnose, stage, and monitor diseases. In this article, we will explore radionuclides and the techniques of radionuclide imaging and therapy.

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StudySmarter Editorial Team

Team Radionuclide Imaging and Therapy Teachers

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    What is the given name to a radionuclide's pace in emitting radiation? 


    Half-life.

     Which radionuclide imaging technique is the most precise and noninvasive technique available?


    Positron emission tomography (PET).

    What is the technique that uses radiation to regulate or destroy fast-dividing cancer cells?


     Radiotherapy.

     What detects optical photons?


    Photomultiplier tubes.

    Collimators describe the optimum energy as being between which values?


    Between 140 and 160 keV.
    Radionuclide Imaging and Therapy Radionuclide Imaging and Therapy
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    Frequently Asked Questions about Radionuclide Imaging and Therapy

    Why is the value of a radionuclide's half-life important?

    The value of a radionuclide's half-life is important because it determines if it can be used in radionuclide imaging. If it is short enough, it allows for repeated examinations during the same day.

    What is radiotherapy?

     The use of strong doses of radiation to destroy cancer cells and reduce tumors is known as radiotherapy.

    What is radionuclide therapy used for?

    Targeted radiotherapy of small tumors, micrometastases, and single cancer cells can all benefit from radionuclides that produce  Auger electrons in the subcellular range. Radionuclides differ in terms of the type of radiation they emit, as well as their radiobiological efficacy and range of action, allowing for tumor type selection. Also, it has either found an application or shown potential in solving lymphoma, breast, prostate, colon, thyroid, lung, and brain cancer types, as well as in bone pain palliation. 

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    What is the given name to a radionuclide's pace in emitting radiation? 

     Which radionuclide imaging technique is the most precise and noninvasive technique available?

    What is the technique that uses radiation to regulate or destroy fast-dividing cancer cells?

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