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Radiology > LEC 7, 8 - SA Long Bones + Joints > Flashcards

LEC 7, 8 - SA Long Bones + Joints Flashcards

1
Q

What are the two tendonopathies seen in the shoulder?

A

Supraspinatus tendonopathy
– and –
Biceps Tenosynovitis

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2
Q

What is the big difference between the biceps and the supraspinatus tendon in the shoulder?

A

Biceps is contained within the joint capsule causing it to have more of an affect on the joint itself

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3
Q

How do you know its supraspinatus tendonopathy?

A

look on the outer edge of the biceps groove for opacity

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4
Q

Common location for OCD in the shoulder?

A

Caudal humeral head

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5
Q

Common location for OCD in the hock?

A

Medial/lateral trochlear ridge of talus

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6
Q

Common location for OCD in the elbow?

A

Medial humeral condyle

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7
Q

What type of disease is OCD?

A

Subchondral

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8
Q

What is OCD?

A

Osteochondritis dissecans

Cracks form in the cartilage + subchondral

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9
Q

Common location for OCD in the stifle?

A

Laterala femoral condyle

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10
Q

What is the cause of hypertrophic osteodystrophy?

A

Idiopathic

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11
Q

What is HOD?

A

Failure of endochondral ossification

Due to decreased blood flow to the metaphysis

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12
Q

What is seen on xray with HOD?

A

Double physis

Periosteal proliferation

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13
Q

Where does retained endochondral core occur?

A

Ulnar bone

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14
Q

Where does panosteitis occur in the bone?

A

Nutrient forament

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15
Q

What does panosteitis look like on radiology?

A

Increased medullary opacity = sclerosis

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16
Q

What animals tend to get osteochondromatosis?

A

Older cats

17
Q

What is osteochondromatosis?

A

Idiopathic

Decreased range of motion

18
Q

What animals tend to get femoral head necrosis?

A

Young animals (

19
Q

What causes femoral head/neck necrosis?

A

Blood supply to diaphysis is decreased

Head/neck start to disappear on xray

20
Q

What is another name for degenerative joint disease?

A

Osteoarthrosis

21
Q

What are the characteristics of osteoarthrosis?

A

Benign + Nonagressive + acute to chronic

22
Q

What are the structures you see roentgen signs for degenerative joint disease?

A

Joint space
Subcondral bone
Phytes

23
Q

What is seen in the joint space of animals with DJD? (staging)

A 
Increased space (acute) 
Decreased space (end stage)
24
Q

What is seen in the subchondral bone of animals with DJD? (staging)

A

Sclerosis (chornic)

Lysis (chronic)

25
Q

What types of phytes are seen in animals with DJD? (staging)

A

Osteophytes (chronic)

Enthesophytes (subacute)

26
Q

How can you tell if there is effusion in the stifle?

A

look at fat pad to see if there is any displacement

27
Q

Where do you see enthesophytes in the knee?

A

on the patella

28
Q

What are the primary causes of DJD?

A 
Infection 
Immune 
Trauma  
Neoplasia 
Developemental
29
Q

What are the developmental conditions that can cause DJD?

A

Osteochondrosis
— and –
Dysplasia

30
Q

What are forms of aggressive arthropathies in cats?

A

Histoplasmosis

31
Q

What is a form of aggressive arthropathy in dogs?

A

Rheumatoid arthritis

32
Q

What type of cancer can occur in a joint only?

A

Synovial cell sarcoma

33
Q

What two rules are used to look at hip dysplasia in an xray?

A

50% rule
– and –
Thumbnail rule

34
Q

What is the age at which a dogs hips can be called normal?

A

2 years

35
Q

What age does the pen hip test allow you to call a dogs hips normal?

A

16 weeks

36
Q

How do false negatives occur on hip dysplastic xrays?

A

dog is awake and tenses pulls in hips and make them look normal

37
Q

What animals get capital physeal dysplasia?

A

Male cats

38
Q

What occurs with capital physeal dysplasia?

A

Capital physis should be closed but for some reason it doesn’t and ends up fracturing

39
Q

What are the four causes of elbow dysplasia?

A

Ununited anconeal process
Osteochondrosis medial humeral condyle
Subluxation
Fragmented medial coronoid process

Radiology (21 decks)

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