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RUSVM Diagnostic Imaging (DI) > DI Quiz 2 Material > Flashcards

DI Quiz 2 Material Flashcards

1
Q

Is arterial enlargement present in this image?

A

No.

Venous enlargement is present

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2
Q

T/F: Left heart failure is much more common than right heart failure

A

True!

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3
Q

__________ is the growth center for the epiphysis

A

articular cartilage

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4
Q

__________ is the growth center for the diaphysis

A

Physis (epiphyseal plate)

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5
Q

T/F: The probability of developing a growth anomaly with a Salter Harris Type I fracture is very high

A

False

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6
Q

A fracture that goes through the growth plate and down through the epiphysis is a Salter Harris Type _____

A

III

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7
Q

T/F: Salter Harris Type V fractures are easily diagnosed by radiographs

A

False

  • This kinda blows because the probability of an associated growth anomaly is highest with Salter Harris Type V fractures*
  • Fuck, man…*
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8
Q

T/F: This type IV fracture might have resulted from incomplete humeral condyle ossification

A

Yeah.

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9
Q

The secondary center of bone formation that provides a point for muscle attachment is the:

A

apophysis

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10
Q

T/F: Panoesteitis occurs mainly in the physis

A

False

Panoesteitis occurs mainly in the diaphysis

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11
Q

T/F: Osteochondrosis occurs mainly in the epiphysis

A

True

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12
Q

Majory arteries enter bone through the __________ and may be confused with a fracture

A

nutrient foramen

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13
Q

T/F: Contrast arthrography is useful when evaluating osteochondrosis

A

True

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14
Q

Which is the most frequent site of osteochondrosis in the stifle?

A

lateral trochlear ridge of the femur

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15
Q

What is the most common predilection site for osteochondrosis in the dog?

A

caudal humeral head

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16
Q

If there is a chondral or osteochondral fragment associated with osteochondrosis, it is then termed:

A

Osteochondrosis Dissecans (OCD)

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17
Q

T/F: The arrow in this image is pointing out Joint Fragments (mice)

A

False

This is not a joint fragment! This is a caudal circumflex humeral vessel.

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18
Q

10-month-old lame dog. Diagnosis is:

A

Osteochondrosis (without joint mice)

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19
Q

Is the star on the medial or lateral side of this joint?

A

lateral

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20
Q

Identify the structure indicated by the blue arrow on the cranial aspect of the ulna

A

Olecranon

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21
Q

Identify the structure indicated by the blue arrow on the cranial aspect of the ulna

A

anconeal process

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22
Q

Identify the structure indicated by the blue arrow on the cranial aspect of the ulna

A

medial coronoid process

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23
Q

Incongruity is very difficult to diagnose radiographically. What other diagnostic modalities are more accurate?

A

CT and arthroscopy

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24
Q

What’s that?

A

Ununited anconeal process

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25
Q

Is ununited anconeal process detected in this image?

A

No!

This is a normal secondary center. Presence is not a predictor of UAP!

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26
Q

T/F: CT is necessary to diagnose fragmented coronoid process (FCP)

A

True

Medial coronoid process superimposed on radius and ulna in each view. Fragment plane is rarely struck head-on by x-ray beam.

27
Q

T/F: New bone formation on the proximal aspect of anconeal process is consistent with ununited anconeal process

A

False

New bone formation on the proximal aspect of anconeal process is consistent with fractured medial coronoid process

28
Q

FCP or UAP?

A

FCP

  • Fractured coronoid process*
  • Note the new bone formation on proximal aspect of anconeal process. THIS IS NOT UNUNITED ANCONEAL PROCESS*
29
Q

11-month-old German Shepherd presented with lameness and pain. Based on the image & what you know about bone diseases, what is the most likely diagnosis?

A

Panosteitis

Note the increased opacity of the medullary cavity

30
Q

T/F: Panosteitis is associated with ‘shifting leg lameness’

A

True

31
Q

4-year-old lame dog. Lameness is most likely due to:

A

Fragmented medial coronoid process

32
Q

In the canine tarsus, the most common location for osteochondrosis is:

A

medial trochlea of the talus

33
Q

A radiolucent line in the metaphysis that runs parallel to the physis is seen with what disease?

A

Hypertrophic osteodystrophy

34
Q

Hypertrophic osteodystrophy: detected or not detected?

A

Detected!

35
Q

Which side of this radiograph is the left side?

A
36
Q

What disease are we observing in this image?

A

Legg-Calve-Perthes

  • Aseptic necrosis of the femoral head*
  • Note the widening of the joint space due to hyperplastic cartilage as well as the deformation of the femoral head*
37
Q

Tibial Crest Avulsion: detected or not detected?

A

False

This is a NORMAL tibial crest

38
Q

Tibial Crest Avulsion: detected or not detected?

A

True

39
Q

T/F: Incomplete ossification of the humeral condyle is best seen on lateral radiographic view

A

False

Can be well defined on a craniocaudal view obliqued 15 degrees craniomedial to caudolateral

40
Q

T/F: Lysis vs. sclerosis is an important factor that determines aggressiveness

A

False

Lysis vs. sclerosis is NOT a factor that determines aggressiveness

41
Q

Aggressive lesion?

A

no

42
Q

Aggressive lesion?

A

Fuck yeah.

  • The cortex of the radius is pretty much gone. There’s also a very indistinct transition zone.*
  • WOW MOM*
43
Q

What is the most common primary bone tumor in the dog?

A

Osteosarcoma

44
Q

T/F: Hematogenous bacterial osteomyelitis is very common in dogs and cats

A

False!

Hematogenous bacterial osteomyelitis is very very very very rare in dogs and cats

45
Q

What are the two most common subungual tumors seen in dogs?

A

Squamous cell carcinoma and malignant melanoma

46
Q

T/F: The Salter Harris physeal fracture classification system only applies to skeletally immature patients

A

True

47
Q

What is the most common cause of delayed union, malunion, or nonunion in veterinary patients?

A

Excessive motion at the fracture site

48
Q

T/F: There will be no observable callus with direct (primary) bone healing

A

True

49
Q

Which fracture location heals faster: metaphyseal or diaphyseal?

A

Metaphyseal

Metaphyseal heals faster than diaphyseal

50
Q

The vertebral heart scale (select the most correct answer)

  • can be used to discriminate enlarged hearts from normal hearts
  • is essentially constant in magnitude across all normal dogs
  • has no diagnostic relevance
  • is most valuable for comparative purposes
A

is most valuable for comparative purposes

51
Q

The double-wall sign is caused by enlargement of the:

A

left atrium

52
Q

What is the normal relationship between parenchymal pulmonary arteries and veins?

A

arteries are usually dorsal and lateral to veins

53
Q

The hyoid bone that divides the guttural pouch into medial and lateral compartments in the horse is the:

A

stylohyoid

54
Q

Most likely Dx?

A

atlantoaxial subluxation

best vizualized on lateral view

55
Q

Hemivertebra is common in __________ dogs

A

brachycephalic

56
Q

T/F: Subchondral bone lysis is commonly seen in degenerative joint disease of the talocalcaneal joint. Degenerative joint disease of the talocalcaneal joint is infrequent

A

True

57
Q

A hallmark radiographic sign of diskospondylitis is:

A

endplate lysis

58
Q

What is the most common cause of pulmonary arterial enlargement?

A

heartworm disease

59
Q

Where are physeal growth abnormalities most common?

A

Antebrachium (distal radial and/or ulnar physes)

60
Q

What is the only joint that we can see joint effusion radiographically associated with DJD?

A

Stifle only!

61
Q

Joint effusion: detected or not detected?

A

Detected

fluid in the joint pushes the infrapatellar fat pad cranially and caudally displaces the fascial stripe

62
Q

Periarticular osteophytes and enthesophytes are most likely to be seen in what joint disease?

A

Osteoarthritis

63
Q

T/F: A tear of the cranial cruciate ligament can be diagnosed using radiographs

A

False

64
Q

The earliest radiographic sign of canine hip dysplasia is:

A

joint laxity

RUSVM Diagnostic Imaging (DI) (4 decks)

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