Toes/ Feet
Where should the CR be located for an oblique projection of the foot?
Oblique projection of the ankle
The mortise projection is also know as what?
AP and Lateral projections
What are the routine projections of the Tib/Fib?
Femorotibial joint space.
What joint space is open for an AP knee projection?
Slightly internally rotated, with toes touching.
How should feet be positioned for a Routine AP projection of the pelvis?
IP and MTP joints
What joints appear to be open in a AP toe projection?
Yes, shielding is used
Is gonadal shielding used for these projections?
70-80 kVp.
What is the necessary kVp for a routine Tib/Fib projection?
5-7 degrees cephalad angulation.
What is the degree of angulation necessary for a lateral projection of the knee?
Midway between level of ASIS and symphysis pubis.
Where should the CR be located for an AP projection of the pelvis?
3rd through 5th metatarsals free.
Which metatarsals should be free of superimposition for an oblique foot projection?
Small focal spot.
What focal spot is necessary for these projections?
The entire Tib/Fib including both proximal and distal joints.
How much of the tib/fib should be demonstrated for both routine projections?
AP Proximal, AP Distal, Lateral Proximal, Lateral Distal.
What are the Routine femur projections?
Lesser trochanter.
What trochanter is not visible for an AP projection of the pelvis
Medial rotation
For digits 1-3 what rotation is necessary?
Axial projection and lateral projection.
What projections are routine for the calcaneus?
Take another image where cutoff is located to demonstrate cutoff portion with overlap.
What can the tech. do if aprt of the Tib/Fib was cut off of the image?
45 degree rotation
How much medial rotation is necessary for an AP projection of the knee?
Midfemoral neck.
Where should the CR be located for an AP unilateral hip projection?
IP, DIP, PIP and MTP joints appear open.
On a lateral toe projection what joint spaces appear to be open?
40 degrees to cephalad
How much cephalic tube angulation is needed for an axial projection of the calcaneus?
Fibula
On which bone is the lateral malleoli located on?
No, shield may block necessary anatomical structures.
Is a shield necessary for a proximal femur projection?
rotation of the pelvis in that direction.
Foreshortened or closed obturator foramen indicates what?