gallium citrate Ga 67

Definition / meaning of 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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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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