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Radiology procedure 1 > Shoulder Girdle > Flashcards

Shoulder Girdle Flashcards

1
Q

what is consider the shoulder joint

A

head of humerus and glenoid cavity of scapula

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2
Q

the shoulder girdle consist of

A

scapula and clavicle

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3
Q

Is the humerus part of the shoulder girdle?

A

no

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4
Q

AC joint

A

acromioclavicular joint

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5
Q

SC joint

A

articulation of the medial end of clavicle with sternum

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6
Q

what type of bone is the scapula

A

flat bone

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7
Q

name the 2 extremity of the of the clavicle?

A

acromial and sternal

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8
Q

the clavicle is just above which rib?

A

the first

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9
Q

anterior aspect of scapula

A

costal surface

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10
Q

deep depression on the superior border

A

scapular notch

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11
Q

large protrusion on dorsal surface

A

spine

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12
Q

lateral extension of scapular spine

A

acromion

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13
Q

large fossa at lateral angle

A

glenoid cavity

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14
Q

extends from superior angle to coracoid process

A

superior border

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15
Q

the junction of the medial and superior borders

A

superior angle

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16
Q

large depression on costal surface

A

subscapular fossa

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17
Q

the junction of medial and lateral borders

A

inferior angle

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18
Q

area above the scapular spine on dorsal surface

A

supraspinous fossa

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19
Q

large broad area below the spine on dorsal surface

A

infraspinous fossa

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20
Q

extends from the glenoid cavity to the inferior angle

A

lateral border

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21
Q

extends from the superior angle to the inferior angle

A

medial border

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22
Q

slender, finger-like projection extending anteriorly and laterally from near the lateral angle

A

coracoid process

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23
Q

IR size for shoulder projection

A

10x 12

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24
Q

Essential projections of the shoulder

A

AP-Internal, external, neutral

AP Oblique (Grashey Method)

Transthoracic lateral (Lawrence Method)

Inferosuperior Axial (Lawrence Method)

PA oblique (scapular Y)

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25
Q

AP shoulder external rotation

A

Hand is supinated and epicondyles are parallel to the plane of the IR

CR: 0° and 1” inferior to coracoid process

Collimate 10 x 12”

IR is crosswise

Respiration: Suspend

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26
Q

AP shoulder neutral rotation

A

leave arm in neutral pos, palm against hip, CR 1” inch inferior to the coracoid process

27
Q

what is the purpose of the neutral Ap shoulder position

A

for trauma/ dislocation

28
Q

what is seen in profile of AP External rotation

A

greater tubercle on outer edge

29
Q

what is seen in profile on the AP internal rotation?

A

lesser tubercle

30
Q

what projection is used for the glenoid cavity

A

AP oblique (Grashey)

31
Q

AP Oblique (Grashey) - Shoulder

A

Position: Upright or supine, Rotated 35 to 45 degrees toward affected side. Scapula parallel to IR. Arm can be rested on abdomen

CR: Perpendicular to shoulder joint

Eval Criteria: Glenoid cavity in profile

32
Q

PA Oblique (Scapular Y) is used to see

A

shoulder dislocation

33
Q

PA Oblique Scapular Y position /degree

A

45-60 anterior oblique position,RAO/LAO, CR- PER TO scapularhumeral joint

34
Q

For PA Oblique (scapular y), is it/degree ?
A) RPO/LPO
B) RA0/LAO

A

B) RAO/LAO, 45-60 degrees

35
Q

For AP oblique (Grashey) is it/ degree of turn?
A) RPO/LPO
B) RAO/LAO

A

A) RPO/LPO, 35-45 Degree

36
Q

during scapular y, if humerus is under Acromion?
A) posterior fracture
B) Anterior fracture

A

A) posterior fracture

37
Q

essential projections of clavicle

A

AP,PA, AP Axial, and PA Axial

38
Q

what is the preferred projection for clavicle ?

A

PA, because of OID

39
Q

during scapular Y, if humerus is under coracoid ?
A) posterior fracture
B) Anterior fracture

A

B) Anterior fracture

40
Q

Inferiosuperior Axial projection describe

A

pt supine, head turn away from CR, Abduct arm away from CR, CR- horizontal angle 15-30 degree

41
Q

how many images do you need for clavicle?

A

AP/AP Axial or PA/ PA Axial

42
Q

where is CR for AP clavicle

A

mid shaft of clavicle

43
Q

what is the name of the fossa on the anterior surface of the scapula?
A) subscapular
b) infra scapular
c) scapular notch

A

A) subscapular

44
Q

Of which part of the scapula is the acromion an extension ?

A

spine

45
Q 
which is a ball and socket joint?
A)Acromioclavicular
B) humeroulnar
C) Scapulohumeral
D) sternoclavicular
A

C) scapulohumeral

46
Q

which portion of the scapula articulates with the humeral head?
A)acromion
B) coracoid process
C) Glenoid fossa

A

C) Glenoid fossa

47
Q

which portion of the scapula articulates with the clavicle?

A

Acromion

48
Q

When performing AP projection of the shoulder, where should the central ray be directed?

A

1 inch inferior to the coracoid process

49
Q

With reference to the plane of the IR, how should the humeral epicondyles be positioned for the AP projection of the shoulder in external rotation?

A

parallel

50
Q

With reference to the plane of the IR, how should the humeral epicondyles be positioned for the AP projection of the shoulder with the shoulder in internal rotation?

A

Perpendicular

51
Q

With reference to the plane of the IR, how should the humeral epicondyles be positioned for the AP projection of the shoulder with the shoulder in neutral rotation?

A

perpendicular

52
Q

Which projection of the shoulder best demonstrates the greater tubercle of the humerus in profile?

A

AP projection with external rotation

53
Q

which projection of the shoulder best demonstrates the greater tubercle of the humerus in profile?

a) AP neutral
b) AP internal rotation
c) Ap external rotation

A

Ap projection with external rotation

54
Q

Which projection of the shoulder best demonstrates the lesser tubercle of the humerus in profile and pointing toward the glenoid cavity?

a) Transthoractic
b) AP projection with internal rotation
c) Ap projection with external rotation

A

B) Ap projection internal rotation

55
Q

when performing the transthoracic lateral projection( Lawrence method) of the humerus, which breathing technique should improve the best image contrast and decrease the exposure necessary to penetrate the body?

a) rapid breathing
b) shallow breathing
c) suspended full expiration
d) suspended full inspiration

A

D) suspended full inspiration

56
Q

which projection of the shoulder requires that a horizontal central ray be directed 15 to 30 degrees medially and enter the axilla of the affected arm?

a) AP projected
b) PA oblique (scapular Y) projection
c) Inferosuperior axial projection( Lawrence method)
d) Transthoracic lateral projection ( Lawrence method)

A

C

57
Q

How should be the central ray be directed for PA oblique projection (scapular y) of the shoulder?

a) cephalically 15 to 20 degree
b) perpendicular to IR

A

B

58
Q

In which body POSITION should the patient be placed to demonstrate the left shoulder with the PA Oblique projection (scapular y)

A

Left Anterior Oblique (LAO)

59
Q

Which projection of the shoulder joint requires the patient to be rotated until the midcoronal plane forms an angle of 45-60 degrees with the plane of the IR

A

PA Oblique Projection (Scapular Y)

60
Q

Where is the humerus generally demonstrated on a PA Oblique shoulder (Scapular Y) image if the shoulder is normal

a) beneath the acromion
b) beneath the coracoid process
c) Superimposed on the junction of the acromion and coracoid process

A

C

61
Q

Which projection demonstrates the scapulohemeral joint space open and the glenoid cavity in profile

a) PA oblique
b) AP Oblique projection ( Grashey Method)
c) AP projection external rotation

A

B

62
Q

What would be the required patient POSITION to demonstrate the left shoulder using the AP Oblique projection ( Grashey Method)

a) 10 to 15 digress RPO
b) 35- 45 degrees LPO

A

B

63
Q

How many degrees and in which direction should the CR be directed for the AP axial projection of the clavicle with the patient supine

A

15-30 degrees Cephaled

Radiology procedure 1 (2 decks)

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