Spondyloarthropathies Flashcards Preview

MS1 - Blood & Lymph > Spondyloarthropathies > Flashcards

Flashcards in Spondyloarthropathies Deck (13)
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1
Q

Spondyloarthropathies are asociated with the _______ allele.

A

HLA-B27

2
Q

There are five classes of spondyloarthropathies: ___________.

A

ankylosing, psoriatic, reactive, regional (Crohn’s), and undifferentiated

3
Q

Ankylosing spondyloarthritis is more common in ______.

A

males, caucasians, and younger onset patients

4
Q

Those with AS have ________ and pain usually ______ with activity.

A

prolonged morning stiffness; decreases

5
Q

Comorbidities of ankylosing spondylitis are ________.

A

anterior uveitis, osteoporosis, Crohn’s-like lesions, pulmonary fibrosis

6
Q

Lab findings in ankylosing spondylitis are __________.

A

negative rheumatoid factor and negative anti-nuclear antibodies

7
Q

Bone growths that grow together are called __________.

A

syndesmophytes

8
Q

Reactive arthritis is usually preceded by ____________.

A

diarrheal or urethral infections with chlamydia, shigella, campylobacter, or yersinia

9
Q

Reactive arthritis includes back pain similar to AS, but patients also can have ___________.

A

arthritis of the lower extremities, including of the toes (“sausage digits”), usually in an asymmetric distribution

10
Q

Extra-articular manifestations of reactive arthritis include ____________.

A

uveitis, mucosal lesions, and conjunctivitis

11
Q

As in ankylosing spondylitis, those with reactive arthritis will have lab values of ___________.

A

negative anti-nuclear antibodies, negative rheumatoid factor, and elevated erythrocyte sedimentation rate

12
Q

In addition to back symptoms, those with psoriatic arthritis can have involvement of the __________.

A

DIPs, PIPs, and MCPs (usually in an asymmetric pattern)

13
Q

The etiology of ankylosing spondylitis is unknown, but some have proposed the aggrecans hypothesis, which posits that ________.

A

aggrecans released by the destruction of cartilage leads to the abnormal activation of CD8+ T cells

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