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nuclear medicine
(redirected from Radioisotope scanning)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.01 sec.

nuclear medicine

Medical specialty using radioactive elements or isotopes for diagnosis and treatment of disease. A radioisotope is introduced into the body (usually by injection). The radiation it emits, detected by a scanner and recorded, reflects its distribution in different tissues and can reveal the presence, size, and shape of abnormalities in various organs. The isotopes used have short half-lives and decay before radioactivity causes any damage. Different isotopes tend to concentrate in particular organs (e.g., iodine-131 in the thyroid). Radioactive substances are also implanted to treat small, early-stage cancers. This yields a slow, continuous dose that limits damage to normal cells while destroying tumour cells. See also computerized axial tomography; diagnostic imaging; positron emission tomography; radiation therapy; radiology.

nuclear medicine [′nü·klē·ər ′med·ə·sən]
(medicine)
A branch of medicine in which radioactive pharmaceuticals are used for imaging or other diagnostic studies.


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All patients had undergone some type of neck imaging for parathyroid mass localization--either ultrasonography, computed tomography (CT), magnetic resonance imaging (MRI), or radioisotope scanning.
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These include radiography, pneumoencephalography, angiography, ultrasonography, radioisotope scanning, computer tomography (CT), magnetic resonance imaging (MRI), and positron emission tomography (PET).
Correlative Neuroanatomy, 20th ed by Singleton, Mary C. / Physical Therapy
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