CLAVICLE

Question 1

AP PROJECTION
PP: Supine/upright; arms along the sides; clavicle center to IR; supine reduces the possibility of fragment displacement or additional injury
RP: Midshaft of clavicle
CR: ┴
SS: Frontal image of clavicle

Answer 1

AP PROJECTION

Question 2

reduces OID & improved image contrast
-Well accepted by patient who can stand

Answer 2

PA PROJECTION

Question 3

PP:
Upright: 1 foot in front; lean backward (lordotic); neck & shoulder against IR; neck in extreme flexion
Supine: cannot assumed lordotic position
Suspend at end of full inspiration
RP: Midshaft of clavicle
CR: 0-15o cephalad (upright); 15-30o cephalad (supine)
SS: axial projection of clavicle
Clavicle projected above the ribs; true/exact axial projection of clavicle
Slightly distorted image due to angulation

Answer 3

AP AXIAL PROJECTION
Lordotic Position

Question 4

PP: same with previous except prone/standing
RP: Midshaft of clavicle
CR: 15-30o caudad
SS: Clavicle projected above the ribs; axial image of clavicle

Answer 4

PA AXIAL PROJECTION

Question 5

PP: Supine; arms along sides; shoulder depressed; head turn away from side of interest
RP: b/n clavicle & chest wall
CR: 25-40o from horizontal/cephalad
Places CR nearly // to rib cage
SS: Inferosuperior image of the clavicle
-Clavicle projected free of the chest wall

Answer 5

TANGENTIAL PROJECTION