Scintigraphy springs from a Latin word, which implies Spark, conjointly referred to as a gamma scan, could be an assay in medical specialty, wherever radioisotopes connected to medicine that jaunt a particular organ or tissue (radiopharmaceuticals) area unit taken internally and therefore the emitted electromagnetic radiation is captured by external detectors (gamma cameras) to make two-dimensional pictures during a similar method to the capture of x-ray pictures. In distinction, SPECT and antilepton emission picturing (PET) type third-dimensional pictures, and area unit thus classified as separate techniques to Scintigraphy, though they conjointly use gamma cameras to find internal radiation. Scintigraphy is not like a diagnostic X-ray wherever external radiation is skilled the body to make a picture. Scintillography is an imaging technique of nuclear events angry by collisions or charged current interactions among nuclear particles or radiation and atoms that end in a quick, localised pulse of radiation, typically within the actinic radiation vary (Cherenkov radiation). This pulse (scintillation) is typically detected and amplified by a photomultiplier or charged coupled device components, and its ensuing electrical undulation is processed by computers to produce two- and three-dimensional pictures of a topic or region of interest.          

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