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Radiology 122 > Study guide: Lumbar/sacrum/coccyx > Flashcards

Study guide: Lumbar/sacrum/coccyx Flashcards

1
Q

What do you see on an AP L-Spine

A

intervertebral disk spaces

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2
Q

AP L-Spine

Cassette size?

A

14x17

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3
Q

AP L-Spine

SID?

A

48”

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4
Q

AP L-Spine

What is the patient position?

A

Supine, upright

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5
Q

AP L-Spine

What is the IR position for lumbosacral?

A

@level of iliac crest

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6
Q

AP L-Spine

What is the IR position for lumbar only?

A

@1.5” above the iliac crest

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7
Q

AP L-Spine

What is the Central Ray position for Lumbosacral?

A

@level of iliac crest

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8
Q

AP L-Spine

What is the Central Ray position for Lumbar only?

A

@1.5” above the iliac crest

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9
Q

For Ap L-Spine what is the breathing technique used?

A

Suspend at end of expiration

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10
Q

For AP L-Spine what is the collimation for Lumbosacral?

A

8x17

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11
Q

For AP L-Spine what is the collimation for Lumbar only?

A

8x14

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12
Q

For Lateral L-Spine what is being seen?

A

Intervertebral Foramina

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13
Q

For Lateral L-Spine what is the cassette size?

A

14x17

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14
Q

For Laeral L-Spine what is the SID?

A

40”

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15
Q

For Lateral L-Spine what is the patient position?

A

(lateral) upright/recumbent

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16
Q

For Lateral L-Spine what is the IR position for Lumbosacral?

A

@level of the iliac crest

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17
Q

For lateral L-Spine what is the IR position for Lumbar only?

A

1.5” above the iliac crest

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18
Q

For Lateral L-Spine what is the central ray position for Lumbosacral?

A

@ the level of the iliac crest

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19
Q

For Lateral L-Spine what is the central ray position for lumbar only?

A

1.5” above the iliac crest

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20
Q

For Lateral L-Spine what is the breathing technique used?

A

Suspend at the end of expiration

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21
Q

For Lateral L-Spine what is the collimation for Lumbosacral?

A

8x17

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22
Q

For Lateral L-Spine what is the collimation for Lumbar only?

A

8x14

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23
Q

For L5-S1 Lateral “Spot” what is the cassette size?

A

10x12

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24
Q

For L5-S1 Lateral “Spot” what is the SID?

A

40”

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25
Q

For L5-S1 Lateral “Spot” what is the patient position?

A

lateral recumbent

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26
Q

For L5-S1 Lateral “Spot” what is the IR Position?

A

center to Central ray

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27
Q

For L5-S1 Lateral “Spot” what is the Central Ray position?

A

center on coronal plane, 2” posterior to ASIS ad 1.5” below iliac crest
Use 5-8 degree caudal

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28
Q

For L5-S1 Lateral “Spot” what is the breathing technique used?

A

suspend

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29
Q

For L5-S1 Lateral “Spot” what is the collimation?

A

6x8

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30
Q

For l-spine AP Oblique (RPO/LPO) what is being seen?

A

zygapophyseal joints closest to the IR

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31
Q

For l-spine AP Oblique (RPO/LPO) what is the cassette size?

A

10x 12 or 14x17

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32
Q

For l-spine AP Oblique (RPO/LPO) what is the SID?

A

40”

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33
Q

For l-spine AP Oblique (RPO/LPO) what is the patient position?

A

recumbent upright with an 45 degree angle for the joints closest to the IR, or 60 degree angle to see L5-S1

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34
Q

For l-spine AP Oblique (RPO/LPO) What is the IR position?

A

center to central ray

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35
Q

For l-spine AP Oblique (RPO/LPO) what is the Central ray position?

A

2” medial to ASIS and 1.5” above iliac crest

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36
Q

For l-spine AP Oblique (RPO/LPO) what is the breathing technique used?

A

suspend at end of expiration

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37
Q

For l-spine AP Oblique (RPO/LPO) what is the collimation?

A

9x14

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38
Q

For L-spine PA Oblique (RAO/LAO) what is being seen?

A

zygapophyseal joints farthest from IR

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39
Q

For L-spine PA Oblique (RAO/LAO) what is the cassette size?

A

10x12 or 14x17

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40
Q

For L-spine PA Oblique (RAO/LAO) what is the SID?

A

40”

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41
Q

For L-spine PA Oblique (RAO/LAO) what is the patient position?

A

upright, recumbent with 45 degree angle to show joints farthest or 60 degree angle for L5-S1

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42
Q

For L-spine PA Oblique (RAO/LAO) what is the IR position?

A

center to central ray

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43
Q

For L-spine PA Oblique (RAO/LAO) what is the central ray position?

A

enter elevated side, 2” lateral to palpable spinous process and 1.5” above crest

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44
Q

For L-spine PA Oblique (RAO/LAO) what is the breathing technique used?

A

suspend at end of respiration

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45
Q

For L-spine PA Oblique (RAO/LAO) what is the collimation?

A

9x14

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46
Q

For L-spine AP/PA Axial “Ferguson Method” what is the cassette size?

A

10x12

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47
Q

For L-spine AP/PA Axial “Ferguson Method” what is the SID?

A

40”

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48
Q

For L-spine AP/PA Axial “Ferguson Method” what is the patient position?

A

supine (MSP centered)

49
Q

For L-spine AP/PA Axial “Ferguson Method” what is the IR position?

A

center to Central ray

50
Q

For L-spine AP/PA Axial “Ferguson Method” what is the central ray position?

A

1.5” above the pubic symphysis

30-35 degree cephalic angle

51
Q

For L-spine AP/PA Axial “Ferguson Method” what is the breathing technique used?

52
Q

For L-spine AP/PA Axial “Ferguson Method” what is the collimation?

53
Q

For Sacroiliac Joints AP Oblique (RPO/LPO) what is the cassette size?

54
Q

For Sacroiliac Joints AP Oblique (RPO/LPO) what is being seen?

A

SI joint farthest from the IR

55
Q

For Sacroiliac Joints AP Oblique (RPO/LPO) what is the SID?

56
Q

For Sacroiliac Joints AP Oblique (RPO/LPO) What is the Patient position?

A

supine with 25-30 degree angle

57
Q

For Sacroiliac Joints AP Oblique (RPO/LPO) what is the IR position?

A

@ the level of the ASIS

58
Q

For Sacroiliac Joints AP Oblique (RPO/LPO) what is the Central ray position?

A

center 1” medial to the elevated ASIS

59
Q

For Sacroiliac Joints AP Oblique (RPO/LPO) what is the breathing technique used?

60
Q

For Sacroiliac Joints AP Oblique (RPO/LPO) what is the collimation size?

61
Q

For Sacroiliac Joints PA Oblique (RAO/LAO) what is being seen?

A

SI joint closest to the IR

62
Q

For Sacroiliac Joints PA Oblique (RAO/LAO) what is the cassette size?

63
Q

For Sacroiliac Joints PA Oblique (RAO/LAO) what is the SID?

64
Q

For Sacroiliac Joints PA Oblique (RAO/LAO) What is the patient position?

A

prone with 25-30 degree angle

65
Q

For Sacroiliac Joints PA Oblique (RAO/LAO) what is the IR position?

A

@ the level of the ASIS

66
Q

For Sacroiliac Joints PA Oblique (RAO/LAO) what is the central ray position?

A

centered 1” medial to ASIS

67
Q

For Sacroiliac Joints PA Oblique (RAO/LAO) what is the breathing technique used?

68
Q

For Sacroiliac Joints PA Oblique (RAO/LAO) what is the collimation?

69
Q

For the Sacrum AP/PA Axial what is the cassette size?

70
Q

For the Sacrum AP/PA Axial what is the SID?

71
Q

For the Sacrum AP/PA Axial what is the patient position?

A

supine/prone

72
Q

For the Sacrum AP/PA Axial what is the IR position?

A

center to central ray

73
Q

For the Sacrum AP/PA Axial what is the central ray position?

A

Supine: 15 degrees cephalic- 2” above pubic symphysis
Prone: 15 degrees caudal- center to sacral curve

74
Q

For the Sacrum AP/PA Axial what is the breathing technique used?

75
Q

For the Sacrum AP/PA Axial what is the collimation?

76
Q

For the coccyx AP/PA Axial what is the SID?

77
Q

For the coccyx AP/PA Axial what is the patient position?

A

supine/prone

78
Q

For the coccyx AP/PA Axial what is the IR position?

A

Center to Central ray

79
Q

For the coccyx AP/PA Axial what is the central ray position?

A

supine: 10 degree caudal- 2” above pubic symphysis
prone: 10 degree cephalic- center to coccyx

80
Q

For the coccyx AP/PA Axial what is the breathing technique used?

81
Q

For the coccyx AP/PA Axial what is the collimation?

82
Q

For Lateral Sacrum/Coccyx what is the cassette size?

83
Q

For Lateral Sacrum/Coccyx what is the SID?

84
Q

For Lateral Sacrum/Coccyx what is the patient position?

85
Q

For Lateral Sacrum/Coccyx what is the IR position?

A

center to central ray

86
Q

For Lateral Sacrum/Coccyx what is the central ray position?

A

sacrum: 3.5” posterior at level of the ASIS
coccyx: 3.5” posterior and 2 “ inferior to ASIS

87
Q

For Lateral Sacrum/Coccyx what is the breathing technique used?

88
Q

For Lateral Sacrum/Coccyx what is the collimation?

A

sacrum: 10x12
coccyx: 6x8

89
Q

For Thoracolumbar Spine Scoliosis “Ferguson Method” (AP,PA,LATERAL) what is the patient position?

A

Upright, seated, 2nd image standing with one foot elevated 3-4”

90
Q

For Thoracolumbar Spine Scoliosis “Ferguson Method” (AP,PA,LATERAL) what is the IR position?

A

bottom at 1” of iliac crest

91
Q

For Thoracolumbar Spine Scoliosis “Ferguson Method” (AP,PA,LATERAL) what is the central ray position?

A

perpendicular to IR

92
Q

For Thoracolumbar Spine Scoliosis “Ferguson Method” (AP,PA,LATERAL) what is the breathing technique used?

93
Q

For Thoracolumbar Spine Scoliosis “Ferguson Method” (AP,PA,LATERAL) what is the collimation?

94
Q

Abnormal increase in anterior convexity (posterior concavity) for Lumbar is?

95
Q

The sacrum has how many vertebral segments?

96
Q

Which gender has a longer, narrower, evenly curved and more vertical sacrum?

97
Q

Which gender has an acutely curved, greatest curvature in lower half, and lies more oblique sacrum?

98
Q

The coccyx is composed of how many vertebrae that is fused into one?

99
Q

The sacroiliac joint is made up of?

A

two ilia and sacrum

100
Q

How many vertebrae for Lumbar spine?

101
Q

what spine lacks costal facets (no rib interaction) and holds highest weight-bearing?

A

Lumbar spine

102
Q

Lumbar spine consist of:

A

body, vertebral foramen, spinous process, inferior/superior articular process, transverse process and inferior/superior notch

103
Q

The inferior/superior notch creates a foramen for?

A

spinal nerves

104
Q

What is a smoothly rounded projection on the back of the superior articular process?

A

Mammillary process

105
Q

what is at the back of the root of the transverse process?

A

accessory process

106
Q

Part of the laminae between the superior and inferior articular processes is called?

A

pars interarticularis

107
Q

The zygapophyseal joints incline posteriorly forming what angle?

A

30-60 degrees

108
Q

What angle is L1-L2?

A

15 degrees

109
Q

What angle is L2-L3?

A

30 degrees

110
Q

What angle is L3-L4, L4-L5, to L5-SI?

A

45 degrees

111
Q

What disease is an acquired bony defect occurring in the pars interarticularis?

A

Spondylolysis

112
Q

What condition is characterized by anterior displacement of one vertebra over another?

A

Spondylolisthesis

113
Q

The sacral foramina allows passage of?

A

nerves and blood vessels

114
Q

What joint is cartilaginous symphysis?

A

Intervertebral joints

115
Q

Which joint is synovial gliding?

A

zygapophyseal joints

116
Q

What articulates with the head of the ribs?

A

Costal facets

117
Q

What articulates with the tubercle of the ribs?

A

demifacets

118
Q

What part of the sacrum makes up the SI joint with the pelvis?

A

auricular surface

Radiology 122 (18 decks)

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