How Do Beam-Hardening Artifacts Appear on a CT Image

question 9

Multiple Choice

How do beam-hardening artifacts appear on a CT image?

• A) Bands
• B) Shading
• C) Streaks
• D) Ghosting

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Definitions:

Ketones

Organic compounds characterized by a carbonyl group (C=O) bonded to two carbon atoms, prominent in many biological and synthetic contexts.

Cyanohydrins

Organic compounds containing both a hydroxyl and a nitrile group, typically formed from aldehydes or ketones and hydrogen cyanide.

Cyclohexanone

An organic compound characterized by a six-membered cyclic structure containing one ketone group, used as a solvent and in the synthesis of various chemicals.

Cation

A positively charged ion that is created when an atom loses one or more electrons, resulting in more protons than electrons.