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Questions and Answers
What is the main advantage of dual-energy CT over conventional CT?
What is the main advantage of dual-energy CT over conventional CT?
- Enhanced ability to differentiate between fat, soft tissue, bone, and contrast material (correct)
- Improved visualization of lung abnormalities
- Higher spatial resolution
- Ability to acquire images at two different energies
How does dual-energy CT enable differentiation between materials such as calcifications and iodine?
How does dual-energy CT enable differentiation between materials such as calcifications and iodine?
- By measuring their molecular weights
- Through their unique energy-dependent attenuation profiles (correct)
- By analyzing their spatial distribution in the body
- Based on their color intensity in the images
What functional parameter can be assessed using dual-energy CT besides anatomical structures?
What functional parameter can be assessed using dual-energy CT besides anatomical structures?
- Metabolic rate
- Iodine concentration (correct)
- Tissue elasticity
- Vascular permeability
How can structures be delineated based on their attenuation differences in dual-energy CT?
How can structures be delineated based on their attenuation differences in dual-energy CT?
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What factor determines how much a material will attenuate the X-ray beam in dual-energy CT?
What factor determines how much a material will attenuate the X-ray beam in dual-energy CT?
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Why is it possible to manipulate tissue attenuation in dual-energy CT?
Why is it possible to manipulate tissue attenuation in dual-energy CT?
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