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Molecular imaging in large vessel vasculitis has come to stay.

The field of medical imaging has experienced an awesome advance in the last decades, far above other areas, both in oncological and non-oncological diseases. This technological development has resulted in the expansion of the molecular imaging. Molecular imaging combines elements of medicine, molecular biology, immunology, biochemistry, radiochemistry, pharmacology, nanotechnology and computing, allowing the “ in vivo ” visualization, characterization and quantification of biological processes at cellular and molecular level in its own pathophysiological environment, and includes magnetic resonance imaging (MRI), positron emission tomography (PET), ultrasonography, optical imaging, fluorescence and bioluminescence.