femur 3

Question 1

How should the leg be supported for a trauma lateromedial projection?

Answer 1

• Place support under the affected leg and knee and support the foot and ankle in a true AP position.
• Place the image receptor on edge against the medial aspect of the thigh to include the knee, with a horizontal X-ray beam directed from the lateral side

Question 2

What is the direction of the central ray for a trauma lateromedial projection?

Answer 2

Use a horizontal central ray at 90° to the femur and image receptor to the midpoint of the image plate.

Question 3

What should be included with the knee in the lateral image of the femur?

Answer 3

• Superimposed anterior surface of the femoral condyles,
• Patella in profile,
• Open patellofemoral space,
• The inferior surface of the femoral condyles should not be superimposed because of divergent rays.

Question 3

What should be shown with the hip included in the lateral image of the femur?

Answer 3

The opposite thigh should not be over the proximal femur and hip joint

, the greater trochanter should be superimposed over the distal femoral neck,

the lesser trochanter should be visible.