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Diagnostic Imaging > UE > Flashcards

UE Flashcards

1
Q

Barton Fx

A

dorsal margin of distal radius best viewed laterally

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2
Q

Reverse Barton Fx

A

volar margin of the distal radius best viewed laterally

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3
Q

Hutchinson Fx

A

Radial margin of the distal radius best viewed with PA

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4
Q

Smith Fx

A

Large fx of the distal radius that displaces volarly

MOI fall on back of hand or direct blow to dorsum of hand

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5
Q

Galeazzi Fx

A

Fx of distal 1/3 of radius with proximal end displaced dorsally
MOI FOOSH or blow to dorsolateral wrist

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6
Q

Best view of scaphoid bone

A

PA with ulnar deviation

MOI FOOSH

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7
Q

Best view of pisiform and pisotriquetral joint

A

Supinated oblique

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8
Q

Best view of triquetral bone and radial styloid

A

Pronated oblique

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9
Q

Best view of hook of hammate, pisiform, and volar aspect of trapezium

A

Carpel tunnel view (full wrist extension)

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10
Q

Bennet Fx

A

Fx of proximal end of the 1st metacarpal

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11
Q

Boxers Fx

A

Fx of metacarpal neck (typically 5th) with volar angulation of distal fragment

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12
Q

Gamekeepers Thumb

A

Fx of base of proximal phalanx

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13
Q

Stener Lesion

A

Ruptured end of ulnar collateral ligament displaced superficially to the adductor pollicis aponeurosis

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14
Q

Hulten Variance (ulnar variance)

A

radial styloid process normally exceeds the length of articular end of ulna by 9-12 mm
Negative variance ulna is more proximal (more than 12 mm)
Positive variance ulna is displaced distally and has less ulnar variance

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15
Q

Radial angle

A

ulnar slant 15-25 degrees

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16
Q

Palmar Inclination

A

Volar tilt of the articular surface of radius 10-25 degrees

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17
Q

TFCC

A 
Triangular Fibrocartilage Complex
Triangular fibrocartilage
Radioulnar ligament
Ulnocarpal ligament
Extensor Carpi Ulnaris tendon sheath
Meniscus homologue
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18
Q

Normal Elbow carrying angle

A

approx 15 degrees

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19
Q

CRITOE

A 
Capitellum
Radial Head
Internal (Medial) Epicondyle
Trochlea
Olecranon
External (Lateral) Epicondyle

If you see only 3 fragments should be the first 3 on the list otherwise (they disappear with External epicondyle first)

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20
Q

Elbow Lateral View

A

Best view for olecranon process, anterior radial head, humeroradial joint
Disad- poor view of posterior radial head and coronoid process

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21
Q

Radial head Capitellum view

A

Radial head visible free of coranoid process, good view of capitellum, hueroradial and humeroulnar

22
Q

What position do most elbow fractures occur in?

A

extension

23
Q

Radial head fx Mason System

A 
Type 1 - Undisplaced
Type 2 - Displaced
Type 3 - Comminuted (multiple fragments)
Type 4 - Fx with dislocation
MOI FOOSH
24
Q

Osteochondritis Dissecans

A

Panner Disease valgus strain of elbow leads to fllattening of capitellum

25
Q

Radial head articulates with what part of the humerus?

A

Capitellum

26
Q

Ulnar coronoid process articulates with what part of the humerus?

A

Trochlea

27
Q

Monteggia Fx

A

Fx of ulna and dislocation of radius

MOI: force pronating during fall or direct blow to posterior ulna

28
Q

Bado Classification

A

Type 1 Distal Ulna displaced posteriorly
Type 2 Distal Ulna displaced anteriorly
Type 3 Distal ulna displaced laterally
Type IV Proximal fx of both radius and ulna

29
Q

Grashey View

A

Patient Rotated 40 toward side of suspected injury

Used to visualize glenoid in profile

30
Q

Axillary view

A

Shot from above with patient in abduction

Identifies A/P dislocation

31
Q

West point view

A

Patient lies prone in abduction, radiograph angled at 25 degrees to patients midline and 25 degrees to table surface
Best for anterior inferior rim of glenoid

32
Q

Lawrence View

A

Patient supine with arm abducted

Demonstrates A/P view

33
Q

Transthoracic Lateral View

A

Valuable for determining degree of displacement or angulation of bony fragment of proximal humerus

34
Q

Bicipital View

A

pt leans forward with hand in supination

Used to visualize trauma to bicipital groove

35
Q

AC View

A

patient is erect with arm in neutral, beam is directed upward 15 degrees

36
Q

Acromial Morphology

A

Type 1 Flat
Type 2 Smoothly curved
Type 3 Hooked

37
Q

Transcapular (Y) View

A

pt is erect, rotated 20 degrees, beam directed at medial border of protruding scapula
Demonstrates scapular fx

38
Q

Most common position of ant shoulder dislocation

A

ABD, EXT, ER

Diagnosed with AP and Y scapular view

39
Q

Bankart Fx

A

Inferior glenoid fossa fx

40
Q

Hills-Sach Lesion

A

Posterolateral Humeral head lesion from impact with anterior inferior glenoid fossa during anterior dislocation

41
Q

Posterior Shoulder Dislocation

A

Rare (2-3% of shoulder dislocations)
Position Add, Flx, IR
Caused by direct force or electric shock/siezure

42
Q

Post-traumatic Osteolysis

A

Reabsorption of distal acromial end of clavicle eventually resulting in marked widening of the AC Joint

43
Q

Ligaments involved in AC joint separation

A

Acromioclavicular ligament

Coracoclavicular ligament

44
Q

Signs of Chronic Cuff Tear

A

Eroded inferior aspect of acromion
Narrowed Acromiohumeral joint space
Flattening of the greater tuberosity

45
Q

A

A

Alignment

Size of bone, number of bones, shape and contour of bone, bone and joint position

46
Q

Shades of Gray Darkest to Brightest (6)

A

Air (black) –> Fat (gray/black)–> Water (Gray) –> Bone (white) –> Contrast media (bright white) –> Heavy metals (solid white)

47
Q

B

A

Bone Density

48
Q

C

A

Cartilage Space

Width and symmetry

49
Q

S

A

Soft Tissue

Swelling, Fat pad displacement

50
Q

Ulnar ring thing is associated with what joint

A

triquetrohamate

51
Q

Sites of Ulnar nerve entrapmet

A

Cubital tunnel, tunnel of guyon, flexor carpi ulnaris

Diagnostic Imaging (3 decks)

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