Radiology 2 Quiz 2

Question 1

Minimal diagnostic series for the shoulder?

Answer 1

AP internal, AP external

Question 2

Minimal diagnostic series for the elbow?

Answer 2

AP, Lateral

Question 3

Minimal diagnostic series for the wrist?

Answer 3

PA, medial oblique, lateral

Question 4

Minimal diagnostic series for the hand?

Answer 4

PA, medial oblique, lateral

Question 5

What is the acromiohumeral space on X-ray?

Answer 5

The distance from inferior surface of acromion process to superior articular surface of humeral head

Question 6

What is the normal measurement of the acromiohumeral Space?

Answer 6

7-11mm

Question 7

How do you measure the Glenohumeral Joint Space on x-ray?

Answer 7

measure and then average joint space from the superior, middle and inferior aspects

Question 8

What is the normal glenohumeral joint space?

Answer 8

4-5mm

Question 9

What is the normal Acromioclavicular joint space?

Answer 9

2 in image is acromioclavicular joint space

average is 3mm

should be less than 3mm difference from R to L

Question 10

How do you measure coracoclavicular distance?

Answer 10

3 on image is coracoclavicular distance

from superior aspect of coracoid process to closest point on clavicle

Question 11

What is the normal coracoclavicular distance?

Answer 11

11-13mm

should be no greater than 5mm difference between R and L

Question 12

What is the radiocapitellar line on X-ray?

Answer 12

A line through the shaft of the radius should extend through the radial head and mid capitellum

used to identify radial head dislocation

Question 13

What is the anterior humeral line on X-ray?

Answer 13

line tangential to anterior humeral cortex should intersect at anterior 1/3 of capitellum

capitellum posterior to this line indicates supracondylar fracture

Question 14

How do you measure lateral radius angle on X-ray?

Answer 14

1st line through and parallel to shaft of radius

2nd line tangential to distal articular surface of radius

measure proximal palm side angle

Question 15

What is the normal lateral radius angle?

Answer 15

80-95 degrees

i.e. distal articular surface of the radius is tilted slightly palmar

Question 16

What is a normal ulnar variance?

Answer 16

distal radius projects 0-3 mm beyond the ulna

Question 17

What is a positive ulnar variance?

Answer 17

the ulna projects more distally

Question 18

What is a negative ulnar variance?

Answer 18

ulna more proximal

i.e distal radius projects more than 3 mm beyond the ulna

Question 19

On what view would you evaluated ulnar variance?

Answer 19

PA wrist

Question 20

On what view would you measure the lateral radius angle?

Answer 20

lateral wrist

Question 21

On what view would you evaluate carpal row alignment?

Answer 21

PA wrist

Question 22

How would you evaluate carpal row alignement?

Answer 22

line along proximal articular surface of the proximal row

line along distal articular surface of the proximal row

line along proximal articular surface of the distal row

all three lines should be roughly parallel

Question 23

On what view would you measure radiacapitellar line?

Answer 23

AP or lateral elbow

Question 24

On what view would you evaluate anterior humeral line?

Answer 24

lateral elbow

Question 25

On what view would you evaluate glenohumeral joint space, acromiohumeral space and coracoclavicular distance?

Answer 25

AP external rotation

Question 26

On what view would you evaluate acromioclavicular joint space?

Answer 26

A-C view