C-Spine Projections

Question 1

For all C-spine projections the cassette size is?

Answer 1

10x12

Question 2

For C-Spine AP Fuchs “Dens” what is the SID?

Answer 2

40”

Question 3

For C-Spine AP Fuchs “Dens” what is the IR?

Answer 3

@ level of tips of mastoid processes

Question 4

For C-Spine AP Fuchs “Dens” what is the CR?

Answer 4

Perpendicular, enters neck just distal to tip of chin

Question 5

For C-Spine AP Fuchs “Dens” what is the breathing instructions?

Answer 5

suspend

Question 6

For C-Spine AP Fuchs “Dens” what is the collimation?

Answer 6

5x5

Question 7

For C-Spine AP Fuchs “Dens” what is the criteria to be met?

Answer 7

entire dens in foramen magnum

no rotation-symmetry of mandible, cranium, vertebrae

Question 8

For C-Spine AP Axial Open Mouth “C1-C2” what is the cassette size?

Answer 8

10x12

Question 9

For C-Spine AP Axial Open Mouth “C1-C2” what is the IR position?

Answer 9

@ level of axis

Question 10

For C-Spine AP Axial Open Mouth “C1-C2” what is the CR Position?

Answer 10

perpendicular to center of IR entering midpoint of open mouth

Question 11

For C-Spine AP Axial Open Mouth “C1-C2” what is the breathing instructions?

Answer 11

phonate “ah” during exposure

Question 12

For C-Spine AP Axial Open Mouth “C1-C2” what is the collimation?

Answer 12

5x5

Question 13

For C-Spine AP Axial Open Mouth “C1-C2” what is the criteria to be met?

Answer 13

entire articular surface of the atlas and axis
superimposed occlusal plane of upper incisors/base of skull
includes: dens, atlas, axis and articulations between C1 and C2

Question 14

For C-Spine AP Axial Open Mouth “C1-C2” what is the SID?

Answer 14

30”

Question 15

For C- Spine AP axial “Intervertebral disk spaces” What is the cassette size?

Answer 15

10x12

Question 16

For C-Spine AP axial “Intervertebral disk spaces” What is the SID?

Answer 16

40”

Question 17

For C-Spine AP axial “Intervertebral disk spaces” What is the IR?

Answer 17

center at level of C4

Question 18

For C-Spine AP axial “Intervertebral disk spaces” What is the CR?

Answer 18

CR angle 15-20 degrees cephalic enters C5

Question 19

For C-spine AP axial “Intervertebral disk spaces” What is the breathing instructions?

Answer 19

suspend

Question 20

For C-Spine AP axial “Intervertebral disk spaces” What is the collimation?

Answer 20

10”lengthwise by 1”

Question 21

For C-Spine AP axial “Intervertebral disk spaces” What is the criteria to be met?

Answer 21

C3-C7
open intervertebral disk spaces
spinous processes equidistant

Question 22

For Lateral Grandy C-spine “Zygapopyseal Joints” what is the cassette size?

Answer 22

10x12

Question 23

For Lateral Grandy C-spine “Zygapopyseal Joints” what is the SID?

Answer 23

72”

Question 24

For Lateral Grandy C-spine “Zygapopyseal Joints” what is the IR?

Answer 24

1” above EAM (ear hole)

Question 25

For Lateral Grandy C-spine "Zygapopyseal Joints" what is the CR?

Answer 25

horizontal/perpendicular to C4

Question 26

For Lateral Grandy C-spine "Zygapopyseal Joints" what is the breathing instructions?

Answer 26

Suspend @ full expiration

Question 27

For Lateral Grandy C-spine "Zygapopyseal Joints" what is the collimation

Answer 27

10x12

Question 28

For Lateral Grandy C-spine "Zygapopyseal Joints" what is the criteria to be met?

Answer 28

all 7 cervical vertebrae and 1/3 of T1 superimposed zygapopyseal joint open intervertebral disk spaces C4 in center

Question 29

For C-Spine Lateral Flexion & Extension what is the cassette Size?

Answer 29

10x12

Question 30

For C-Spine Lateral Flexion & Extension what is the SID?

Answer 30

72"

Question 31

For C-Spine Lateral Flexion & Extension what is the IR?

Answer 31

Center C4, IR 2" above EAM

Question 32

For C-Spine Lateral Flexion & Extension what is the CR?

Answer 32

horizontal and perpendicular to C4

Question 33

For C-Spine Lateral Flexion & Extension what is the breathing instructions?

Answer 33

Suspend

Question 34

For C-Spine Lateral Flexion & Extension what is the collimation?

Answer 34

10x12

Question 35

For C-Spine Lateral Flexion & Extension what is the criteria to be met?

Answer 35

All 7 cervical vertebrae superimposed zygapopyseal joint open intervertebral disk spaces superimposed mandible

Question 36

For C-spine AP axial oblique (RPO/LPO) what is the cassette size?

Answer 36

10x12

Question 37

For C-spine AP axial oblique (RPO/LPO) what is the SID?

Answer 37

72"

Question 38

For C-spine AP axial oblique (RPO/LPO) what is the IR?

Answer 38

center to C3 above the most prominent point of thyroid cartilage

Question 39

For C-spine AP axial oblique (RPO/LPO) what is the CR?

Answer 39

@ C4 with 15-20 degrees cephalic angle | Patient is in a 45 degree angle

Question 40

For C-spine AP axial oblique (RPO/LPO) what is the breathing instructions?

Answer 40

suspend

Question 41

For C-spine AP axial oblique (RPO/LPO) what is the collimation?

Answer 41

10x12

Question 42

For C-spine AP axial oblique (RPO/LPO) what is the criteria to be met?

Answer 42

All 7 cervical vertebrae and 1st thoracic vertebrae open intervertebral foramen side FARTHEST from the IR

Question 43

For C-Spine PA Axial Oblique RAO/LAO what is the cassette size?

Answer 43

10x12

Question 44

For C-Spine PA Axial Oblique RAO/LAO what is the SID?

Answer 44

72"

Question 45

For C-Spine PA Axial Oblique RAO/LAO what is the IR?

Answer 45

center at C5

Question 46

For C-Spine PA Axial Oblique RAO/LAO what is the CR?

Answer 46

Center at C4 with CR angle of 15-20 caudal | Patient will be rotated 45 degrees

Question 47

For C-Spine PA Axial Oblique RAO/LAO what is the breathing instructions?

Answer 47

suspend

Question 48

For C-Spine PA Axial Oblique RAO/LAO what is the collimation?

Answer 48

10x12

Question 49

For C-Spine PA Axial Oblique RAO/LAO what is the criteria to be met?

Answer 49

All 7 cervical vertebrae and 1st thoracic vertebrae open intervertebral disk spaces Side CLOSEST to the IR

Question 50

For C-Spine Lateral "Swimmers" (C7-T1) what is the cassette size?

Answer 50

10x12

Question 51

For C-Spine Lateral "Swimmers" (C7-T1) what is the SID?

Answer 51

40"

Question 52

For C-Spine Lateral "Swimmers" (C7-T1) what is the IR?

Answer 52

center at level C7-T1 (2" above jugular notch)

Question 53

For C-Spine Lateral "Swimmers" (C7-T1) what is the CR?

Answer 53

@ C7-T1 | CR angle of 3-5 degree caudal if cannot depress shoulders

Question 54

For C-Spine Lateral "Swimmers" (C7-T1) what is the breathing instructions?

Answer 54

suspend

Question 55

For C-Spine Lateral "Swimmers" (C7-T1) what is the collimation?

Answer 55

10x12

Question 56

For C-Spine Lateral "Swimmers" (C7-T1) what is the criteria to be met?

Answer 56

lower cervical and upper thoracic vertebrae | humeral heads minimally superimposed on vertebral column