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gallium citrate Ga 67

The citrate salt of the radioisotope gallium Ga 67. Although the mechanism is unknown, gallium Ga 67 concentrates in lysosomes and is bound to a soluble intracellular protein in certain viable primary and metastatic tumors and focal sites of inflammation, allowing scintigraphic localization. Ga-67 scintigraphy (GS) cannot differentiate between tumor and acute inflammation.
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US brand name:Neoscan
Chemical structure:1,2,3-Propanetricarboxylic Acid, 2-hydroxy-, Gallium-(sup 67)Ga(1:1) Salt
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