MT Lab

Question 1

APOM

Answer 1

Measure: A-P at C4
Protection: Full/ Half Apron
SID: 40”
Film: 8” x 10”
PP: * of mandible → EAM
HCR: just below mandible
VCR: mid sagittal plane
Collimation top to bottom: 5” x 5”
Collimation side to side:

Question 2

Fuchs

Answer 2

Measure: A-P at C4
Protection: Half apron
SID: 40”
Film: 8”x10”
PP: EAM→ Acanthion
HCR: 1” below upper incisors 
VCR: mid-sagittal w/ no head rotation
Collimation top to bottom: 5” x 5”
Collimation side to side:

Question 3

A-P Lower C-Spine

Answer 3

Measure: A-P at C4
Protection: Half/ Full Apron
SID: 40”
Film: 8” x 10” ID down portrait
PP: Acanthiomeatal perpendicular to film
HCR: at level of C4
VCR: mid sagittal with no rotation
Tube Angle: 15*-20* cephalad (+/- ant head carriage)
Collimation top to bottom: EAM→ T2
Collimation side to side: Skin of neck

Question 4

(R/L) Posterior Cervical Oblique

Answer 4

(R/L) Posterior Cervical Oblique
Measure: A-P at C4
Protection: Half apron
SID: 40”
Film: 8” x 10” ID down Regular portrait
PP: 40*-45* from A-P
HCR: At level at C4
VCR: EAM w/ skull lateral; 1” ant head no rotation
Collimation top to bottom: EAM → T1
Collimation side to side: Skin of neck

Question 5

Neutral Lateral C-Spine

Answer 5

Neutral Lateral C-Spine
Measure: A-P at C4
Protection: Half apron
SID: 40”
Film: 8” x 10” ID down portrait
PP: 40*-45* from P-A
HCR: Level of C4
VCR: through EAM
Collimation top to bottom: EAM → T2
Collimation side to side: Skin of neck