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MRI Procedures > Chest, Abdomen, and Pelvis Imaging > Flashcards

Chest, Abdomen, and Pelvis Imaging Flashcards

1
Q

What is the landmark for routine chest?

A

Level of T4

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2
Q

Which imaging planes are used for routine chest?

A

Axial and sagittal. Coronal breath hold can be used as a localizer

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3
Q

What slice thickness is used for routine chest?

A

Axial: thick

Coronal (localizer): medium

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4
Q

What is the slice prescription for an axial routine chest?

A

From apex of lung to diaphragm

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5
Q

What is the slice prescription for a coronal routine chest?

A

From posterior chest muscles to sternum

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6
Q

What is the slice prescription for a sagittal routine chest?

A

From left chest wall to right

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7
Q

Which artifacts are associated with routine chest?

A

Respiratory, cardiac, and flow motion
Reduced by breath hold techniques, respiratory and cardiac gating, swapping phase and frequency encoding axes, and presaturation pulses

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8
Q

What is the landmark for thymus?

A

The level of T4

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9
Q

Which imaging planes are used for the thymus?

A

Axial T1 and T2
In and out of phase imaging can be done
Sagittal breath hold can be used as a localizer

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10
Q

What slice thickness is used for thymus?

A

Medium

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11
Q

What is the slice prescription for an axial thymus?

A

From apex of lungs to the diaphragm

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12
Q

What is the slice prescription for sagittal thymus?

A

From the apex of the lungs to the diaphragm

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13
Q

Which artifacts are associated with the thymus?

A

Respiratory, cardiac, and flow motion

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14
Q

What is the US method for breast imaging?

A

Single breast, sagittal

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15
Q

What is the European method for breast imaging?

A

Bilateral breasts, axial

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16
Q

What is the slice thickness for breast imaging? (both methods)

A

Thin slices

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17
Q

What is the slice prescription for sagittal breast?

A

Through the breast medially from the sternum to the axilla

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18
Q

What is the slice prescription for axial breast?

A

From superior axillary tail to nipple and include pectorals muscle and chest wall

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19
Q

Which artifacts are associated with the breast?

A

Respiratory, cardiac, and flow motion

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20
Q

What is the landmark for the axilla?

A

Through the level of the axilla

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21
Q

Which imaging planes are used for the axilla?

A

Axials

Coronal can be used as a localizer

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22
Q

What slice thickness is used for axilla?

A

Axial: medium
Coronal: thick slices

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23
Q

What is the slice prescription for axial axilla?

A

Through both axillae and supraclavicular fossae

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24
Q

What is the slice prescription for coronal axilla?

A

From posterior chest muscles to the sternum

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25
Q

What additional sequence can be used when imaging the axilla and to view what?

A

Sagittal to view the brachial plexus, slices are from SC joints to the humeral head

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26
Q

Which artifacts are associated with the axilla?

A

Main source is from respiratory and flow motion from the subclavian vessels

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27
Q

What is the landmark for cardiac imaging?

A

Level of T4

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28
Q

Which imaging planes are used for cardiac imaging?

A

Axial

Coronal breath hold can be used as a localizer

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29
Q

What slice thickness is used for cardiac imaging?

A

Axial: medium
Coronal: medium

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30
Q

What is the slice prescription for axial cardiac imaging?

A

From superior aspect of the aortic arch to the inferior border of the heart

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31
Q

What is the slice prescription for coronal cardiac imaging?

A

From the posterior chest muscles to the sternum

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32
Q

Which artifacts are associated with cardiac imaging?

A

Respiratory, cardiac, and flow motion occur in the phase axis

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33
Q

What is the landmark for lier?

A

Level of L3 or intercostal margin

34
Q

Which imaging planes are used for liver?

A

Axial and coronal

35
Q

What slice thickness is used for liver?

A

Axial: thick
Coronal: thick

36
Q

What is the slice prescription for axial liver?

A

From the diaghragm to the inferior margin of the liver

37
Q

What is the slice prescription for coronal liver?

A

From posterior abdominal muscles to the anterior abdominal wall

38
Q

Which artifacts are associated with the liver?

A

Respiratory, flow, and peristalsis

Can use antispasmodic agents

39
Q

What is the landmark for kidneys?

A

Level of L3

40
Q

Which imaging planes are used for the kidneys?

A

Axials

Can use coronal as a localizer

41
Q

What slice thickness is used for the kidneys?

A

Axial: medium
Coronal: medium

42
Q

What is the slice prescription for axial kidneys?

A

From superior aspect of the adrenal glands to the inferior margin of the kidneys

43
Q

What is the slice prescription for coronal kidneys?

A

From posterior abdominal muscles to anterior abdominal wall

44
Q

Which artifacts are associated with the kidneys

A

Main ones are from respiratory and low motion from the aorta and IVC
Chemical shift artifact and bowel motion

45
Q

What is the landmark for the adrenal glands?

A

Level of L3

46
Q

Which imaging planes are used for the adrenal glands?

A

Axial and coronal

47
Q

What slice thickness is used for the adrenal glands?

A

Axial: medium
Coronal: medium

48
Q

What is the slice prescription for axial adrenal glands?

A

From diaphragm to bottom of kidneys

49
Q

What is the slice prescription for coronal adrenal glands?

A

From posterior abdominal muscles to the anterior abdominal wall

50
Q

What is the landmark for pancreas?

A

Level of L3

51
Q

Which imaging planes are used for the pancreas?

A

Axial and coronal

52
Q

What slice thickness is used for pancreas?

A

Axial: thin
Coronal: thick

53
Q

What is the slice prescription for axial pancreas?

A

Above and below (through) the pancreas

54
Q

What is the slice prescription for coronal pancreas?

A

From posterior abdominal muscles to anterior abdominal wall

55
Q

Which artifacts are associated with the pancreas?

A

Respiratory and flow motion from aorta and IVC

Antispasmodic agents can be given for bowels

56
Q

What is the landmark for male pelvis?

A

Halfway between the pubic symphysis and the iliac crests

57
Q

Which imaging planes are used for the male pelvis?

A

Axial and sagittal

Coronal can be used as a localizer

58
Q

What slice thickness is used for male pelvis?

A

Axial: medium/thick
Sagittal: medium/thick
Coronal: thick

59
Q

What is the slice prescription for axial male pelvis?

A

From iliac crests to pelvic floor

60
Q

What is the slice prescription for sagittal male pelvis?

A

From left to right pelvic wall

61
Q

What is the slice prescription for coronal male pelvis?

A

From posterior coccyx to anterior aspect of the pubic symphysis

62
Q

Which imaging planes are used for the prostate?

A

Axial, sagittal, and coronal

63
Q

What slice thickness is used for the prostate?

A

Axial: thin
Sagittal: thin
Coronal: thin

64
Q

What is the slice prescription for axial prostate?

A

From superior bladder to inferior pubic symphysis

65
Q

What is the slice prescription for sagittal prostate?

A

From left to right pelvic wall

66
Q

What is the slice prescription for coronal prostate?

A

From posterior rectum to bladder

67
Q

What artifacts are associated with the male pelvis?

A

Bowel motion (antispasmodic)
Respiratory (compression)
Flow (GMN)
When rectal spasm obstructs the prostate, you can swap phase and frequency

68
Q

What is the landmark for female pelvis?

A

Midway between the iliac crest and pubic symphysis

69
Q

Which imaging planes are used for the female pelvis?

A

Sagittal, axial

Coronal can be used as a localizer

70
Q

What slice thickness is used for female pelvis?

A

Sagittal: medium/thick
Axial: medium/thick
Coronal: Thick

71
Q

What is the slice prescription for sagittal female pelvis?

A

From left to right pelvic wall

72
Q

What is the slice prescription for axial female pelvis?

A

From superior iliac crest to below pubic symphysis

73
Q

What is the slice prescription for coronal female pelvis?

A

From posterior coccyx to anterior aspect of the pubic symphysis

74
Q

Which imaging planes are used for the uterus?

A

Axial and coronal

75
Q

What slice thickness is used for the uterus?

A

Axial: thin
Coronal: thin

76
Q

(Uterus) What do you angle to if adnexal mass is suspected?

A

Scan axial to the pelvis

77
Q

(Uterus) What do you angle to if cervical CA is suspected?

A

Scan axial to the cervic

78
Q

What are scans angled to normally for the uterus?

A

Axial to the position of the uterus?

79
Q

What is the slice prescription for coronal uterus?

A

From posterior uterus to anterior uterus

80
Q

Which artifacts are associated with the female pelvis?

A

Bowel motion (antispasmodi)
Respiratory (compression)
Flow (GMS, spatial presaturation pulses)

MRI Procedures (2 decks)

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