Author Question: An accurately positioned lateral foot projection demonstrates all the following except a. ... (Read 54 times)

lunatika · **on:** Jul 17, 2018

An accurately positioned lateral foot projection demonstrates all the following except

a. superimposed talar domes.
b. the distal metatarsals at the center of the exposure field.
c. contrast and density adequate to demonstrate the anterior pretalar and posterior pericapsular fat pads.
d. open tibiotalar joint space.

Question 2

A less than optimal AP oblique foot projection demonstrates closed lateral cuneiform-cuboid, navicular-cuboid, and third through fifth intermetatarsal joint spaces. The fourth metatarsal tu-bercle is demonstrated without fifth metatarsal superimposition.

a. The patient's foot was overrotated.
b. The patient had a high longitudinal arch and a 45-degree oblique was obtained.
c. A 10- to 15-degree proximal central ray angle was used for the projection.
d. The patient had a low longitudinal arch and a 30-degree oblique was obtained.