Imaging & Radiology · Medical Imaging · Medium

Radiotracer

Meaning: Radioactive substance given to a patient so its distribution can be imaged by a scanner.

In practice: The radiotracer accumulated in areas of high metabolic activity on the PET scan.

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Two questions on related imaging & radiology words.

Which word means: Appearing darker than surrounding tissue on CT, indicating low density such as oedema or infarction.

Which word means: Imaging of the kidneys, ureters and bladder, typically using intravenous contrast with CT.

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