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Bone Path Final > Arthritis > Flashcards

Arthritis Flashcards

1
Q

4 seronegative spondyloarthropathies

A

Ankylosing spondylitis
Reactive arthritis
Psoriatic arthritis
Enteropathic arthropathy (2)

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2
Q

Besides SI joints and LS jx, where are most common site of involvement in spine in seronegative spondylarthropathies?

A

TL

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3
Q

Enteropathic arthropathy is caused by what 2 chronic GI conditions

A

Ulcerative colitis

Crohn’s disease

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4
Q

No common SI involvement (3)

A

DISH
DJD
RA

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5
Q

Unilateral or bilateral, asymmetrical sacroilitis

A

Reactive arthritis

Psoriatic arthritis

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6
Q

Bilateral and symmetrical sacroilitis

A

AS

Enteropathic arthropathy

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7
Q

Chronic low back pain in 25 year old male; radiographs = BI, symmetrical sacroilitis and margine syndesmophytes from T10-L1

A

Marginal syndesmophytes = AS

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8
Q

Chronic back pain in 60 year old M; radiographs = thick, flowing hyperostosis b/w T7-L1

A

Hyperostosis = DISH

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9
Q

Intermittent episodes of LBP in 30 year old M w/ hx of urethritis; radiographs = BI, asymmetrical sacroilitis

A

Reactive arthritis

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10
Q

Thin, marginal syndesmophytes

A

AS and enteropathic arthropathies

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11
Q

coarse, non-marginal syndesmophytes

A

Reiters disease (reactive) and psoriatic arthritis

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12
Q

Atlanto-axial instability

A

RA
AS
Psoriatic arthritisi

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13
Q

Distal ungual tuft resportion

A

Scleroderma and psoriatic arthritis

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14
Q

Reversible deformities of hands

A

SLE

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15
Q

Multiple osteochondral bodies

A

Synoviochondrometaplasia

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16
Q

Thick, flowing hyperostosis

A

DISH

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17
Q

Sequestrum

A

Osteomyelitis

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18
Q

Phemister’s triad

A

TB joint infection

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19
Q

Chondrocalcinosis

A

CPPD

20
Q

Overhanging margins

A

Gout

21
Q

Thin, marignal syndesmophytes

A

AS

22
Q

Calcific tendonitis

A

HADD

23
Q

Triad associated with hypertrophic osteoarthropathy

A

Digital clubbing, symmetric arthritis (effusion, redness, pain, warmth)
Periostitis (BI, symmetric, solid/single layer; metaphysis and diaphysis; tib and fib, radius and ulna, MCP/MTPs, femur/humerus)

24
Q

Triangular sclerosis of iliac WITHOUT erosion

A

Osteitis condensates ilii

25
Q

Osteitis pubis = difficult to differentiate from what more serious condition

A

Osteomyelitis

26
Q

Six D’s associated with what condition? Name them

A

Neuropathic arthropathy

  1. Distended joint
  2. Density increase
  3. Debris
  4. Dislocation
  5. Disorganizatin
  6. Destruction
27
Q

DISH - calcifcation of which tissue/structure

A

ALL primarily, PLL, LF

28
Q

Radiographic criteria of DISH (3)

A
  1. Thick, flowing hyperostosis anterior to spine in 4 consecutive levels
  2. Disc space maintained
  3. No facet involvement
29
Q

diabetes is associated with what arthritic condition

A

Diabetes

30
Q

OPLL occurs in 50% of what arthritic condition patients

A

DISH

31
Q

What is seen with DJD? (5)

A 
Erosions
Subchondral cysts
Intraarticular calcifications
Joint mice
Osteophytes
32
Q

4 pathways infection can spread to bone. Start with MC

A

Hematogenous
Contiguous
Direct implantation
Postoperative

33
Q

T/f

Osteomyelitis in adults = insidious vs. children

A

T

34
Q

5 groups at higher risk of developing osteomyelitis

A 
immunosuppresed
New born
Diabetics
Alcoholics
Drug addicts (IV)
35
Q

Latent radiographic period for osteomyelitis of extremities

A

10 days

36
Q

Latent radiographic period for osteomyelitis of spine

A

3 weeks

37
Q

Earliest radiographic changes of bone and joint infection seen where

A

In soft tissues after 3 days

38
Q

Acute osteomyelitis must be differentiated from what serious pathology

A

Primary malignancy

39
Q

Brodie’s abscess presents clinically like what neoplasm

A

Osteochondroma

40
Q

2 VIP radiographic findings associated with septic arthritis

A

Joint distention

Motheaten or permeative destruction

41
Q

3 radiographic findings to help differentiate DDD from infectious discitis

A
  1. DDD = diminished disc height at many levels
  2. Infectious discitis = ST involvement (DDD doesn’t)
  3. Infectious discitis affects discs before vertebral body, while DDD affects body first
42
Q

Dish vs AS

A

Dish associated with calcification, AS = erosive

DISH = thick hyperostosis; AS = thin, egg shell calcification

43
Q

AS vs psoriatic arthritis

A

AS = thin symmetric calcification; psoriatic = thick and assymmetric

44
Q

Psoriatic arthritis vs RA

A 
Psoriatic = skips joints, RA = uniform
psoriatic = DIP only; RA = MCP, wrist, PIP
45
Q

DJD vs psoriatic in hands

A 
DJD = DIP and PIP; psoriatic = DIP 
Psoriatic = marginal erosions
DJD = no erosion
46
Q

64 year old M = focal pain around 1st MTP joint. Exam = red, swollen and exquisitely painful to touch.
History of recent URTI. DDX (2)

A

Gout and hypertrophic osteoarthropathy

Bone Path Final (1 decks)

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