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nuclear medicine
(redirected from scintigraphy)

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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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In cases with a clinically ambiguous picture or with indeterminate sonographic findings, scintigraphy is the viable imaging alternative and is used as an alternative to prevent false negative sonographic diagnosis.
Perfusion CT evaluation in experimentally induced testicular torsion by Ovali, Gulgun Yilmaz; Yilmaz, Omer; Tarhan, Serdar; Genc, Abdulkadir; Demireli, Peyker; Tuncyurek, O / Canadian Urological Association Journal (CUAJ)
Tc] sulfur colloid scintigraphy to identify splenic tissue (either accessory or native) activity adds more information to the imaging diagnosis.
Splenogonadal fusion by Adeniji, Adejimi O. / Applied Radiology
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Newmarket Equine Hospital to hold veterinary course; BLOODSTOCK WORLD by The Racing Post (London, England)
 
 
 
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