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Nuclear Medicine Imaging

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Questions and Answers

What is a common practice when using SPECT or PET images?

Comparing them directly with CT scans
Using them as a standalone diagnostic tool
Superimposing them with CT or MR images (correct)
Using them only for radiation therapy planning

How do SPECT and PET compare to CT in terms of resolution?

The resolution cannot be compared
They have a similar resolution
They have a lower resolution (correct)
They have a higher resolution

What is a characteristic of PET compared to SPECT?

PET is more similar to CT
PET is only used for radiation therapy planning
PET has a lower signal-to-noise ratio
PET has a higher detection sensitivity (correct)

What is the purpose of superimposing SPECT or PET images with CT or MR images?

To provide a spatial reference (D) Signup and view all the answers

What is a characteristic of SPECT and PET?

They have a significantly lower resolution than CT (A) Signup and view all the answers

What is a common use of SPECT or PET images?

Superimposed with CT or MR images (C) Signup and view all the answers

How do the voxel sizes of SPECT and PET compare to CT?

They are not much smaller than 1cm (D) Signup and view all the answers

What is a characteristic of CT compared to SPECT and PET?

It has a lower resolution (C) Signup and view all the answers

What is the purpose of comparing SPECT or PET images with CT or MR images?

To provide a spatial reference (A) Signup and view all the answers

What is a characteristic of SPECT and PET compared to CT?

They have a lower resolution (B) Signup and view all the answers

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