Questions and Answers
What is the origin of the term 'tomography'?
From the Greek words 'tomos' and 'graphein'
What is the primary purpose of computed tomography (CT)?
To produce cross-sectional images of the body
What is the nature of computed tomography (CT)?
Noninvasive
What is the analogy used to describe the cross-sectional images produced by CT?
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What is another name for computed tomography (CT)?
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Study Notes
Computed Tomography (CT)
- Uses special x-ray equipment to create detailed pictures of areas inside the body
- Also known as computerized tomography or computerized axial tomography (CAT)
- Term "tomography" comes from Greek words "tomos" (a cut, a slice, or a section) and "graphein" (to write or record)
- Noninvasive procedure that produces cross-sectional images of the body
- Cross-sectional images represent "slices" of the person being imaged, similar to slices in a loaf of bread
- Used for a variety of diagnostic and therapeutic purposes
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