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What is the major disadvantage of the fan shaped x-ray beams used in modern CT units when compared with pencil  thin beams?

What is the major disadvantage of the fan shaped x-ray beams used in modern CT units when compared with pencil  thin beams?

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Asked by Mhixson, Last updated: Nov 09, 2024

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John Smith

John Smith

John Smith
John Smith

Answered Feb 23, 2017

Increased patient dose

(b) The use of a fan shaped beam during CT imaging increases the total volume of tissue irradiated, thereby increasing the amount of scatter radiation produced.
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