CT and MRI Flashcards

1
Q

How thick are the slices?

A

.1 to 10 mm

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2
Q

Voxel

A

pixel and slice thickness

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3
Q

How to solve volume averaging

A

thinner slices (better contrast but less quality image)

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4
Q

MRI disease processes

A
T1 = low intensity
T2 = high intensity
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5
Q

Lumbar evaluation

A

T1 = CSF

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6
Q

T1 images

A
Bone = very low
Ligaments = low
Fluid, CSF = low
Red Marrow = intermed/low
Cartilage = intermediate
Muscle = intermediate
Fat/yellow marrow  = high
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7
Q

T2 images

A
Bone = very low
Ligaments = low
Cartilage = intermed/low
Red Marrow = intermed
Fat/yellow marrow = intermed
muscle = intermed
Fluid, CSF = high
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