Lower Leg (Tibia/Fibula)

Question 1

Lower Leg (Tibia/Fibula) X-Ray Series

Answer 1

Normal Series

• AP
• Lateral

Question 2

AP Lower Leg

Answer 2

• Cassette - 35x43, vertical or oblique
• Positioning - non weight bearing with pt sitting or lying on the floor with leg over cassette (placed diagonally).
• Stabilization - pt is lying or seated comfortably
• Shielding - Gonad shielding/lead apron
• Instructions - palpate malleoli to ensure equal distance from cassette
• SID - 100cm
• Central Ray - Midshaft
• Tube Tilt - 0
• Collimation - M-L, include soft tissues of the leg. S-I, include the ankle and knee joints and include patella base if possible
• kV - Children 60 and adults 70
• Marker Placement - lateral to the anatomy

Question 3

Lateral Lower Leg

Answer 3

• Cassette - 35x43, vertical or oblique
• Positioning - pt is lying on the floor and extended over the cassette (placed diagonally). If leg is too long the use oblique length
• Stabilization - sidelying comfortbly
• Shielding - Gonad shielding
• Instructions - palpate melleoli and condyles top check superimposition
• SID - 100cm
• Central Ray - Midshaft
• Tube Tilt - 0
• Collimation - A-P, all the soft tissues of the leg. S-I, include the ankle joints and patella base if possible
• kV - Children 60 and adults 70
• Marker Placement - anterior to the anatomy