Projections

Question 1

What are the physical requirements for an AP distal femur

Answer 1

• 5 deg internal rotation of toes
• 100cm FFD
• 35 x 43 rough area
• check if pelvis is rotated

Question 2

What is the centring for AP distal femur

Answer 2

Centre on the mid-thigh and include tibial tuberosity

Question 3

What is the procedure for a AP distal femur

Answer 3

1. Get patient to lie down on the table
2. line them up with the bucky and cassette
   * check if pt is in mid of table by looking head side
3. Ask for consent to touch their thigh
4. Centre & collimate
5. Place marker and internally rotate 5 deg