Thoracics spine projections

Question 1

A.P thorcic spine - positioning

Answer 1

supine (trauma)/erect (non-trauma)
hands by side

Question 2

A.P thoracic spine - Angle

Answer 2

Straight tube

Question 3

A.P thoracic spine - positioning

Answer 3

supine (trauma)
erect (non-trauma)

Question 4

A.P thoracic spine - angle

Answer 4

straight tube

Question 5

A.P thoracic spine - CR

Answer 5

level of T7 (9cm inferior to jugular notch)

Question 6

A.P thoracic spine - collimation

Answer 6

full length, 15cm width

Question 7

A.P thoracic spine - instructions

Answer 7

suspended inspiration

Question 8

Lateral Thoracic spine - position

Answer 8

erect (like CXR)
1) Left side onto image receptor
2) arms lifted up
3)ensure there is light on the posterior side to allow full spine to be displayed

Question 9

Lateral Thoracic spine - angle

Answer 9

straight tube

Question 10

Lateral Thoracic spine - CR

Answer 10

level of T7 ( inferior border of the scapula)
2CM Posterior to mid-coronal plane

Question 11

lateral thoracic spine - collimation

Answer 11

full length
superiorly to include the C7/T1 junction
inferiorly to include the T12/L1 junction

Question 12

exposure for thoracic spine

Answer 12

AP
kVp = 80
MA = 20
lateral
kVp = 80
MA = 40

Question 13

thoracic oblique projection

Answer 13

Semi supine, 20 degrees from lateral
kVp 85 +/-5
mAs 40