Orthopaedic X-rays (Normal)

Question 1

What is the most important arch in shoulder XR?

Answer 1

Moloney’s arch

Question 2

Name some shoulder special XR views + state their uses

Answer 2

1. y-scapula view - anterior or posterior humeral dislocation
2. velpeau view - to confirm dislocation
3. axial view (requires abduction of arm) - to confirm dislocation
4. bilateral zanca view - acromioclavicular joint dislocation

Question 3

In a shaft to elbow lateral XR, the ____ and ____ should be perfectly superimposed.

Answer 3

In a shaft to elbow lateral XR, the MEDIAL EPICONDYLE and LATERAL EPICONDYLE should be perfectly superimposed.

Question 4

State the 2 important lines of the elbow XR for PAEDIATRICS

Answer 4

1. Anterior humeral line - line down the anterior surface of the humerus which should intersect the middle third of the capitellum
2. Radiocapitellar line - line down the neck of the radius on any view should intersect the capitellum

Question 5

What elbow XR view do we use to visualise a lateral condyle fracture?

Answer 5

internal oblique view

Question 6

What elbow XR view do we use to visualise radial head fractures?

Answer 6

greenspan view

Question 7

What are the 3 important lines in hand XR?

Answer 7

GILULA’S LINES
1. Proximal aspect of proximal carpal row
2. Distal aspect of proximal carpal row
3. Proximal aspect of distal carpal row

Question 8

Name some wrist special view XRs

Answer 8

1. carpal tunnel view
2. scaphoid view

Question 9

Name some acetabular (hip) special view XRs

Answer 9

1. iliac oblique
2. obturator oblique

Question 10

What are the pathologies in this picture?

Answer 10

Question 11

What is the most important line to observe in hip XR?

Answer 11

Shenton’s line

Question 12

State the use of a Rosenberg view (+state which joint is seen)

Answer 12

Rosenberg view - accentuates medial loss of joint space in knee joint

Question 13

State the use of a Mortise view (+state which joint is seen)

Answer 13

Mortise view - checking of mortise (space between talus and tibia + fibula)

Question 14

Name the 4 important lines for cervical spine

Answer 14

1. spinous process line
2. spinolaminar line
3. posterior vertebral body line
4. anterior vertebral body line

Question 15

Expand on the retropharyngeal soft tissue assessment rule

Answer 15

2-6-6-2 rule
C2 - 6mm
C6 - 22mm

Question 16

What special neck view XR should be used to test for dynamic instability of cervical spine?

Answer 16

flexion and extension views
(vertebrae moves more during either movement)

Question 17

What is the cervical spine special XR which is largely replaced with CT scan?

Answer 17

open mouth odontoid view

Question 18

What are the pathologies present in this picture?

Answer 18