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Orthopedics/Surgery > Elbow Dysplasia > Flashcards

Elbow Dysplasia Flashcards

1
Q

Umbrella term for several congenital abnormalities of the elbow

A

Elbow dysplasia

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2
Q

What can a dog with elbow dysplasia be affected with?

A

Ununited anconeal process, OCD of humeral condyle, fragmented medial coronoid process, elbow incongruity

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3
Q

What age of dogs are affected by elbow dysplasia?

A

Young dogs

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4
Q

What are radiographic findings that suggest potential fragmentation of the MCP?

A

Ulna sclerosis and degenerative changes above anconeal process

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5
Q

What breeds are most commonly affected by an ununited anconeal process?

A

GSD, bassett hound, labs, Newfoundlands

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6
Q

What are clinical signs of elbow dysplasia?

A

Forelimb lameness, pain flex/extension of elbow

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7
Q

When should physes be closed?

A

4-5mo of age

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8
Q

What is the best radiographic view to visualize an ununited anconeal process?

A

Flexed lateral projection

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9
Q

What is an ununited anconeal process?

A

Anconeal center of ossification fails to fuse w/the ulna

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10
Q

What is the best diagnostic modality for elbow dysplasia?

A

CT

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11
Q

How can you treat an ununited anconeal process?

A

Excision, lag screw fixation and prox. ulnar ostectomy

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12
Q

Abnormal endochondral ossification resulting in thickening of the articular cartilage

A

OCD

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13
Q

What are potential factors that can result in OCD of the humeral condyle?

A

Growth rate, genetics, hormonal imbalance, diet

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14
Q

What breeds are commonly affected by OCD of the humeral condyle?

A

GSD, lab, GR, Newfoundland, Rotty

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15
Q

Bilateral OCD of the humeral condyle exists ___% of the time

A

50%

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16
Q

What will you see on radiographs that might suggest OCD of the humeral condyle?

A

Visible flattening, subchondral bone defect, sclerosis, osteophytosis

17
Q

What diagnostic test for elbow dysplasia can also be therapeutic?

A

Arthroscopy

18
Q

How do you treat an OCD of the humeral condyle?

A

Surgical removal of flap and debridement of subchondral bone

19
Q

What breeds are commonly affected by fragmented medial coronoid process?

A

Labs, GR, Newfoundlands, Rottys

20
Q

What secondary changes assoc. w/FCP will you see on radiographs that can help you make your diagnosis?

A

Sclerosis along trochlear notch of ulna, degenerative joint disease

21
Q

Term used to describe poor alignment of the joint surfaces of the elbow

A

Elboq incongruity

22
Q

What are two features that illustrate incongruity of the elbow?

A

Abnormal shape of ulnar trochlear notch, step between radius and ulna

23
Q

What are clinical signs of elbow dysplasia?

A

Intermittent forelimb lameness, pain on flex/extension of elbow

24
Q

What is a sub-total coronoidectomy used to treat?

A

Fragmented medial coronoid process

Orthopedics/Surgery (16 decks)

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