Procedures CSpine Positioning

Question 1

CSpine Routine

Answer 1

Lateral
AP
AP Open Mouth (George)

Question 2

Lateral CSpine
IR
SID

Answer 2

10X12 LW

72”

Question 3

Lateral CSpine

CR

Answer 3

⊥C4

Question 4

How to find C4

Answer 4

Use thyroid cartilage at C5 (Adam’s apple)

then come up a bit

Question 5

Lateral CSpine
PP
(4)

Answer 5

• MCP ⊥ IR
• Top of light approx 1” above TEA
• pt holds weights to relax shoulders
• pt looks straight ahead

Question 6

Lateral CSpine
SS
(3)

Answer 6

• C1-T1 In true lateral
• Apophyseal joints of C3-7 open
• Sella tursica included

Question 7

AP Cspine
IR
SID

Answer 7

8x10 LW

40”

Question 8

AP CSpine

CR

Answer 8

Angle 15-20° cephalic to C4

Question 9

AP CSpine
PP
(4)

Answer 9

• MSP ⊥ to table
• True AP (mouth closed)
• Line up junction of lips
• Mastoid tip ⊥ to table

Question 10

AP CSpine
SS
(3)

Answer 10

• C3-T1
• Open intervertebral disk spaces
• Base of skull and mandible SI

Question 11

Special AP CSpine technique

Answer 11

collimate into skin line

Question 12

Other name for AP Cspine

Answer 12

AP Axial

Question 13

AP Open Mouth
IR
SID

Answer 13

8x10 LW or CW (tight collimation)

40”

Question 14

AP Open Mouth

CR

Answer 14

⊥ to body of C2

Question 15

AP Open Mouth
PP
(3)

Answer 15

• MSP ⊥ to IR
• Tip of upper teeth and base of skull ⊥ to IR
• Open mouth as wide as possible

Question 16

AP Open Mouth
SS
(3)

Answer 16

• body and dens of C2
• Lateral masses of C1
• Apophyseal joints of C1-2

Question 17

Phototiming for AP Open Mouth

Answer 17

FREAKING NONE

Question 18

PA Obliques
IR
SID

Answer 18

8x10 LW

72”

Question 19

PA Obliques

CR

Answer 19

Angle 15-20° caudal to C4

Question 20

PA Obliques
PP
(5)

Answer 20

• Upright PA
• Oblique body 45° look direction as oblique
• Place head true lateral
• Center spine to mid IR
• Relax shoulders

Question 21

PA Obliques
SS
(1)

Answer 21

Intervertebral foramen of side down and pedicles

Question 22

PA Obliques

Technique

Answer 22

Same as lateral CSpine

Question 23

AP Obliques
IR
SID

Answer 23

8X10 LW

40”

Question 24

AP Obliques

CR

Answer 24

Angle 15-20° cephalic to C4

Question 25

AP Obliques PP (5)

Answer 25

- Supine AP - Oblique body 45° - place head true lateral - center spine to mid IR - Relax shoulders

Question 26

AP Obliques SS (1)

Answer 26

Intervertebral foramen of side up and pedicles

Question 27

AP Obliques Technique

Answer 27

same kV as AP

Question 28

Fuchs IR SID

Answer 28

8x10 LW OR CW | 40"

Question 29

Fuchs | CR

Answer 29

// to MML directed just inferior to mentum

Question 30

Fuchs PP (3)

Answer 30

Supine True AP Tip chin up until MML is as near ⊥ to table as possible

Question 31

Fuchs IR SID

Answer 31

8x10 LW CW | 40"

Question 31

Fuchs SS (1)

Answer 31

Demos dens of C2 within foramen magnum of skull

Question 32

Fuchs | CR

Answer 32

// to MML directed just inferior to mentum

Question 33

Fuchs PP (3)

Answer 33

Supine True AP Tip chin up until MML is as near perp to table as possible