Image Analysis: Shoulder

Front 1

In an AP shoulder projection with external rotation of the humerus, the greater tubercle will be seen

Back 1

dg

Front 2

An optimal AP clavicle projection demonstrates all of the following except the

A.midclavicle in the center of the IR

B.middle and lateral thirds of the clavicle seen superior to the acromion process

C.medial clavicular end adjacent to the vertebral column

D.midclavicle superimposing the superior scapular angle

Back 2

,jg

Front 3

An AP shoulder projection with accuraate positioning demonstrates the

1. glenoid fossa in profile

2. glenohumeral joint centered within the collimated field.

3. superolateral scapular border without thorax superimposition.

4. superior scapular angle superior to the midclavicle.

A.2,3, and 4 only

B.2 and 3 only

C.3 and 4 only

D.1,2, and 3 only

Back 3

erg

Front 4

A Hill-Sachs defect is a(n) _____ fracture that results from _____ dislocations of the humeral head against the _____ rim of the glenoid cavity

Back 4

af

Front 5

For an AP shoulder projection, the

1. shoulders are positioned at equal distances from the IR.

2. central ray is centered 1 inch (2.5 cm) inferior to the coracoid.

3. imaginary line connecting the humeral epicondyles is positioned at a 45-degree angle to the IR.

4. central ray is angled cephalically when a kyphotic patient is imaged.

Back 5

sfh

Front 6

Under which of the following conditions is it necessary to use a grid for an axial shoulder projection?

1. The AP measurement is over 4 inches (10 cm).

2. The kilovoltage used is above 60.

3. The inferosuperior measurement is more than 4 inches (10 cm).

4. The kilovoltage used is below 60.

Back 6

se

Front 7

For an inferosuperior axial shoulder projection,

1. the patient's shoulder is elevated on a sponge or washcloth.

2. the patient's head is tilted and rotated toward the affected shoulder.

3. the patient's affected arm is externally rotated.

4. a 30- to 35-degree central ray to lateral body surface angle is used if the arm is abducted at a 90-degree angle to the torso.

Back 7

mhf

Front 8

An optimal AP scapula projection demonstrates all of the following except the

Back 8

,jhg

Front 9

An AP shoulder projection obtained with the humeral epicondyles positioned parallel with the IR demonstrates the

1. greater tubercle in profile laterally.

2. lesser tubercle in profile medially.

3. humeral head in profile medially.

4. greater tubercle superimposed over the humeral head.

Back 9

n

Front 10

An AP oblique shoulder projection (Grashey method) with accurate positioning demonstrates

1. the glenoid fossa in profile and facing superiorly.

2. an open glenohumeral joint space.

3. a longitudinally foreshortened clavicle.

4. the glenohumeral joint in the center of the collimated field.

Back 10

xfg

Front 11

For an AP oblique shoulder projection (Grashey method), the

1. patient's midcoronal plane is rotated to a 45-degree angle with the IR.

2. central ray is centered to the coracoid process.

3. patient is rotated toward the affected shoulder.

4. image is obtained with the patient in an upright position.

Back 11

dfrh

Front 12

For an AP axial clavicle projection,

1. the patient's shoulders are positioned at equal distances from the IR.

2. the central ray is angled 15 to 30 degrees cephalad.

3. a compensating filter is positioned over or under the lateral clavicle.

4. the central ray is centered halfway between the medial and lateral clavicular ends.

Back 12

dthy

Front 13

How can the positioning setup be adjusted for an AP shoulder projection to demonstrate uniform density throughout the shoulder and clavicular areas?

1. Position the top of the shoulder at the cathode end of the tube.

2. Place a compensating filter over or under the laterally located acromion and clavicular end.

3. Use a kilovoltage above 75.

4. Use a grid.

Back 13

sg

Front 14

An AP scapular projection with accurate positioning demonstrates

1. almost superimposed anterior and posterior glenoid fossa margins.

2. the vertebral scapular border without thoracic cavity superimposition.

3. the humeral shaft at a 90-degree angle with the body.

4. the supraspinatus fossa and superior scapular angle without clavicular superimposition.

Back 14

sdgt

Front 15

An AP axial clavicle projection with accurate positioning demonstrates the

1. medial clavicular end superimposed over the first and second ribs.

2. middle and lateral thirds of the clavicle superior to the acromion.

3. clavicle bowing upward.

4. medial clavicular end superimposed over the vertebral column.

Back 15

kjg

Front 16

A PA oblique scapular Y shoulder projection that shows accurate positioning of a patient with an anterior dislocation demonstrates

1. a Y formation.

2. the humeral head positioned anterior to the glenoid fossa beneath the coracoid.

3. superimposition of the medial and lateral scapular borders.

4. the humerus superimposed over the scapular body.

Back 16

dfy

Front 17

A PA oblique scapular Y shoulder projection that was obtained with the patient overrotated demonstrates the

1. glenoid fossa medially.

2. medial scapular border closer to the ribs than the lateral scapular border.

3. superior scapular angle superior to the clavicle.

4. lateral scapular border closer to the ribs than the medial scapular border.

Back 17

dfgh

Front 18

The glenohumeral joint space is demonstrated as an open space on a(n)

1. inferosuperior axial shoulder projection.

2. transthoracic lateral shoulder projection.

3. AP oblique shoulder projection (Grashey method).

4. PA oblique scapular Y shoulder projection.

Back 18

dfh

Front 19

An AP shoulder projection demonstrates longitudinal foreshortening of the scapular body when the

1. patient's upper midcoronal plane is tilted away from the IR.

2. patient is rotated onto the affected shoulder.

3. patient is kyphotic

4. affected shoulder is protracted.

Back 19

khjfg

Front 20

The arms of the Y on a PA oblique scapular Y shoulder projection are formed by the

1. coracoid.

2. scapular body.

3. acromion.

4. glenoid fossa.

Back 20

dfh

Front 21

An AP clavicle projection with accurate positioning demonstrates

1. the medial clavicular end next to the lateral edge of the vertebral column.

2. the superior scapular angle superior to the clavicle.

3. inferosuperior foreshortening on the kyphotic patient unless the central ray is angled cephalically.

4. an overexposed medial clavicle unless a compensating filter is used.

Back 21

kujgt

Front 22

A PA oblique scapular Y shoulder projection with accurate positioning demonstrates

1. the superior angle of the scapular at the same transverse level as the clavicle.

2. superimposed scapular borders.

3. a laterally situated glenoid fossa.

4. the coracoid, acromion, and humerus creating the arms and leg of the Y formation.

Back 22

srty

Front 23

For an AP AC joint projection without weights,

1. the central ray is centered to the AC joint.

2. the midcoronal plane is positioned parallel with the IR.

3. a grid is used if the patient's AP measurement is 6 inches (15 cm).

4. the patient's shoulders are positioned at equal distances from the IR.

Back 23

dfh

Front 24

An AP AC joint projection with a kyphotic patient will require a _____ angulation of the CR, aligned perpendicular to the _____.

Back 24

kjgv

Front 25

An inferosuperior axial shoulder projection that shows accurate positioning and was obtained with the humeral epicondyles positioned at a 45-degree angle with the floor demonstrates

1. the posterolateral aspect of the humeral head.

2. almost superimposed inferior and superior glenoid fossa margins.

3. the lesser tubercle in partial profile anteriorly.

4. the lateral edge of the coracoid base medial to the inferior glenoid cavity.

Back 25

kjg