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(a) What is the advantage and disadvantage images from radioactivity compared imaging from ultrasound, x-ray and...

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Physics

(a) What is the advantage and disadvantage images fromradioactivity compared imaging from ultrasound, x-ray and CT?

(b)Explain in detail the operation of a PET scanner,illustrating your points by using more than one drawing,appropriately labeled.

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b Positron EmissionTomography also known as a PET scan uses radiation to showactivity within the body on a cellular levelIt is most commonly used in cancer treatment neurology andcardiologyCombined with a CT or MRI scan a PET scan can producemultidimensional color images of the inside workings of the humanbodyIt shows not only what an organ looks like but how it isfunctioningA PET scan is used to diagnose certain health conditions    See Answer
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