Elbow Special View Test

Question 1

Which of the following best demonstrates the radial head using the trauma lateral coyle method routine?

a.) elbow flexed 90 degrees, CR angled 45 degrees toward shoulder
b.) elbow flexed 90 degrees, CR perpendicular to image receptor
c.) elbow flexed 90 degrees, CR angled 30 degrees toward the shoulder
d.) elbow flexed 80 degrees, CR angled 45 degrees away from the shoulder

Answer 1

a.) elbow flexed 90 degrees, CR angled 45 ddehrees toward the shoulder

Question 2

For the coyle method the central ray is directed __________ the shoulder for the _____________.

a.) radial head, elbow
b.) coronoid, trochlea
c.) toward, radial head
d.) away, coronoid

Answer 2

c.) toward, radial head

Question 3

If the patient, cannot fully extend the elbow for AP projections, what alternative projections should be performed?

a.) one AP projection
b.) two lateral projections
c.) two AP projections
d.) AP and lateral projection

Answer 3

c.) two AP projections

Question 4

Why is the AP partial flexion performed?

a.) when patient can fully extend arm
b.) when elbow needs to be obliqued
c.) when elbow needs to be lateral
d.) when the arm cannot be fully extended

Answer 4

d.) when the arm cannot be fully extended

Question 5

How is the hand positioned for the axiolateral projection of the elbow ( coyle method )?

a.) 45 degree oblique
b.) 30 degree oblique
c.) supine
d.) prone

Answer 5

d.) prone

Question 6

Which of the following evaluation criteria should be demonstrated on the AP partial flexion elbow projection. Choose all that apply.

a.) epicondyles in profile
b.) radial head and neck seperated or slightly superimposed by ulna on forearm parallel
c.) distal humerus and epicondyles in profile on humerus parallel
d.) epicondyles in oblique position

Answer 6

a.) epicondyles in profile
b.) radial head and neck seperated or slightly superimposed by ulna on forearm parallel
c.) distal humerus and epicondyles in profile on humerus parallel

Question 7

What is the amount of elbow flexion required for the trauma lateral position (coyle method) to demonstrate the radial head?

a.) 45 degrees
b.) 80 degrees
c.) 90 degrees
d.) 80 to 90 degrees

Answer 7

c.) 90 degrees

Question 8

Situation: A yound boy comes to radiology with an elbow injury. The basic elbow projections demonstrate a possible nondisplaced fracture of the coronoid process. Beyond the medial oblique projection, what additional projections can be performed to demonstrate the coronoid process in profile?

a.) acute flexion projection
b.) coyle method with 45 degree CR angle toward shoulder
c.) coyle method with 45 degree CR angle away from shoulder
d.) radial head lateral projections

Answer 8

c.) coyle method with 45 degree CR angle away from shoulder

Question 9

On the partial flexion of the AP elbow two projections should be taken =. One with ___________ parallel and the other with the ___________ parallel.

a.) wrist, forearm
b.) forearm, shoulder
c.) forearm, humerus
d.) hand, wrist

Answer 9

c.) forearm, humerus

Question 10

The central ray angulation for both of the axiolateral projection (coyle method) of the elbow is:

a.) 30 degrees
b.) 35 degrees
c.) 40 degrees
d.) 45 degrees

Answer 10

d.) 45 degrees

Question 11

The primary structures shown when demonstrating the elbow using the coyle method are the:
1.) coracoid process
2.) coronoid process
3.) radial head

a.) 1 and 2
b.) 1 and 3
c.) 1, 2 and 3
d.) 2 and 3

Answer 11

d.) 2 and 3

Question 12

For the coyle method the central ray is directed __________ from the shoulder for the ___________.

a.) radial head, away
b.) away, coronoid
c.) toward, coronoid process
d.) forearm, away

Answer 12

b.) away, coronoid

Question 13

What is the amount of elbow flexion required for the trauma lateral projection (coyle method) to demonstrate the coronoid process?

a.) 45 degrees of flexion
b.) 90 degrees of felxion
c.) 80 degrees of flexion
d.) 15 degree flexion

Answer 13

c.) 80 dgrees of flexion