Target intelligence / Profile preview

Physical Enhancement of X-ray Absorption via Iodine Atoms

Molecular classification: Inorganic element, Contrast agent

Overview

The use of iodine atoms, typically delivered as iodinated contrast media, to physically enhance X-ray absorption within tissues or fluids for improved radiographic visualization. Iodine's high atomic number and k-edge proximity to diagnostic X-ray energies result in increased photoelectric absorption, leading to enhanced image contrast. It is used in CT, angiography and other X-ray modalities.

Other names: Iodinated Contrast MediaIodine Contrast EnhancementX-ray Absorption Enhancement

Mechanism of action

Increased X-ray absorption via photoelectric effect at K-edge

Biological functions

Radiographic imaging enhancementX-ray attenuation

Disease associations

Diagnostic imagingVisualization of vascular and organ pathology

Safety considerations

Allergic reactionsNephrotoxicityIncreased local radiation dose

Interacting drugs

Iohexol

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