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Diagnostic Imaging II > Final: Arthritides > Flashcards

Final: Arthritides Flashcards

1
Q

What common arthritis demonstrates non-uniform joint space narrowing, osteophytes, subchondral sclerosis and subchondral cysts?

A

DJD

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2
Q

Which condition presents with a triangular sclerosis at the iliac portion of the lower sacroiliac joint?

A

Osteitis condensans ilii

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3
Q

Is osteitis condensans ilii more commonly unilateral or bilateral?

A

Bilateral

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4
Q

Is osteitis condensans ilii more common in males or females?

A

Females

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5
Q

Osteitis pubis is commonly associated with what procedure?

A

surgery near pubic symphysis

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6
Q

What is the difference between marginal and non-marginal syndesmophytes?

A

Marginal: delicate and symmetric

Non-marginal: bulky and discontinuous

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7
Q

Which spinal arthritides have marginal vs. non-marginal syndesmophytes?

A

Marginal: As

Non-marginal: DDD, psoriatic, Reiter’s, DISH

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8
Q

What systemic condition is commonly found in patients with diffuse idiopathic skeletal hyperostosis?

A

OPLL (Ossification of Posterior Longitudinal Ligament)

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9
Q

Dysphagia is common in which arthritic condition and why?

A

DISH, ossification of anterior longitudinal ligament

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10
Q

What part of the spine is DISH most commonly found?

A

Cervical and thoracic (T7-T11)

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11
Q

Radiographic findings of neurotrophic arthropathy

A

6 D’s:

  1. Distended joint
  2. Density increase
  3. Debris
  4. Dislocation
  5. Disorganization
  6. Destruction
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12
Q

Which conditions may result in neurotrophic arthropathy?

A

DM, alcoholism, paralysis, tabes dorsalis, syringomyelia

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13
Q

What is synoviochondrometaplasia?

A

Metaplastic changes in synovium produce loose cartilaginous bodies which may or may not calcify or ossify. Cartilaginous bodies may or may not be free within the joint capsule.

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14
Q

Common sites of involvement of RA in hand and wrist

A

PIP and MCP joints (esp 2nd and 3rd MCP)
Ulnar styloid
Triquetrum
DIP JOINTS SPARED AS A RULE

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15
Q

What is a marginal erosion and what category of arthritis is it seen with?

A

Erosion on the sides (margins) of a joint

RA, Gout, AS

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16
Q

What is the significance of widening of the atlantodental interspace?

A

C1/C2 instability, destroyed dens and transverse ligament

17
Q

What conditions demonstrate laxity of the transverse ligament?

A

RA, Marfan’s, Down’s

18
Q

Is sacroiliac involvement common in RA?

A

NO!

19
Q

Describe the radiographic difference between RA and psoriatic arthritis in the hand and wrist

A

Psoriatic arthritis does not have wrist involvement but commonly does have DIP involvement
RA does have wrist involvement and does NOT have DIP involvement

20
Q

What is the gender incidence of RA?

A

Female: Male = 3:1 until age 40 then 1:1

21
Q

What is the first site of involvement with ankylosing sondylitis?

A

SI joint

22
Q

What is the 2nd sire of involvement with AS?

A

Thoracolumbar

23
Q

Is SI involvement usually unilateral or bilateral in AS?

A

Bilateral and symmetric

24
Q

What is the gender incidence of AS?

A

M:F 9:1, most common in younger males

25
Q

Which condition demonstrates squaring of the vertebral body?

A

AS

26
Q

What is the shiny corner sign?

A

Increased radiodensity of the corners of the vertebral body related to osteitis

27
Q

What is a “carrot stick” fracture?

A

Fracture passes through entire diameter of the spine

28
Q

Which condition demonstrates similar SI joint and vertebral column findings to AS?

A

Enteropathic arthropathy (comes with GI disorders)

29
Q

What 2 seronegative spondyloarthropathies demonstrate non-marginal syndemosphytes and peripheral arthritis?

A

Psoriatic arthritis

Reiter’s dz

30
Q

Reversible deformities of the hand are seen in which condition?

A

SLE

31
Q

What is acro-osteolysis and which conditions demonstrate this finding?

A

Terminal tuft bony erosions.

  • Scleroderma
  • SLE
  • Hyperparathyroidism
32
Q

What is the overhanging margin sign and which condition is this seen in?

A

Gout

33
Q

What structures are primarily involved in CPPD?

A
  • Knee
  • Wrist
  • Pubic symphysis
34
Q

What structures are primarily involved in HADD?

A
  • Shoulder

- Hip

Diagnostic Imaging II (4 decks)

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