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Clin Med II - Exam 3 > Witwer - Arthritis > Flashcards

Witwer - Arthritis Flashcards

1
Q

avascular necrosis is mc seen in the

A

femoral head

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2
Q

femoral head has poor

A

collateral circulation

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3
Q

what artery supplies the ligament of the head of the femur

A

ligamentum teres

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4
Q

what artery is compromised in avascular necrosis of the femoral head

A

medial circumflex

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5
Q

common causes of avascular necrosis

A

trauma

vasculitis

vasospasm

microemboli

steroids

etoh

pancreatitis

dialysis

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6
Q

avascular necrosis can cause

A

collapse and flattening of the femoral head

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7
Q

osteonecrosis of subchondral bone fx

edematous changes

A

avascular necrosis

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8
Q

best imaging for avascular necrosis

A

MRI

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9
Q

what is this showing

A

flattening of femoral head → osteonecrosis

subchondral fx → buckling of trabeculae

avascular necrosis

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10
Q

besides the circumflex arteries, what other arteries can affected in AVN

A

artery to ligamentum teres → branch of the obturator a

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11
Q

AVN of the femoral head is mc dt damaged __ a,

but can also be caused by damage to the __ a

A

medial circumflex

obturator

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12
Q

what do you think when you see charcot’s joint

A

neuropathic arthropathy

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13
Q

neuropathic arthropathy is seen w.

A

peripheral neuropathies

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14
Q

what do you think when you see, extensive bony destruction of articular surfaces, bony fragmentation, osteophytosis, sclerosis

A

neuropathic arthropathy/charcot’s joint

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15
Q

what is this showing

A

neuropathic joint

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16
Q

inflammation of multiple articular and periarticular sites in the spine

A

ankylosing spondylitis

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17
Q

enthesiopathy w. calcification and ossification of ligamentous, capsular, and tendonous attachments to spine

A

ankylosing spondylitis

18
Q

ankylosing spondylitis creates a __ of the spine

A

fusion

19
Q

what do you think when you see, bamboo spine

A

ankylosing spondyitis

20
Q

what is this showing

A

sacroilitis w. subchondral sclerosis and erosions

→ ankylosing spondylitis

21
Q

what is this showing

A

fusion of the sacroiliac joints → ankylosing spondylitis

22
Q

what is this showing

A

bamboo spine → ankylosing spondylitis

23
Q

reiter’s syndrome is associated w.

A

reactive arthritis

24
Q

what do you think when you see, arthritis, conjunctivitis, or uveitis/urethritis

A

reiter’s syndrome → reactive arthritis

25
Q

what is this showing

A

severe erosive changes w. subluxations → reactive arthritis

26
Q

complex regional pain syndrome is same-same

A

reflex sympathetic dystrophy

27
Q

what do you think when you see, hyperemia, swelling of limb, and increased blood flow

A

regional pain syndrome

28
Q

on plain films, complex regional pain syndrome appears as (2)

A

osteopenia

swelling

29
Q

complex regional pain syndrome is mc caused by

A

trauma

30
Q

what is this showing

A

complex regional pain syndrome

31
Q

what is this showing

A

regional pain syndrome

32
Q

3 phases of complex regional pain syndrome

A
  1. blood flow
  2. blood pool
  3. bones
33
Q

how does hemophilia affect joints

A

bleeding into joint

34
Q

mc joint affected by hemophilia

A

knee

35
Q

articular changes 2/2 to recurrent hemorrhages, destruction of cartilage, bony destructive changes, subchondral cysts

A

hemophilia

36
Q

what is this showing

A

eroded cartilage, subchondral cysts, hemosiderin deposition →

hemophilia

37
Q

what is this showing

A

spondylolisthesis

38
Q

defect in the pars interarticularis

A

spondylolysis

39
Q

on plain film, the neck of the scotty dog is the

A

pars interarticularis

40
Q

when you see, no neck scotty dog, think

A

spondylolysis

Clin Med II - Exam 3 (14 decks)

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