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Flashcards in MSK Deck (13)
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1
Q

What is a Charcot joint?

A

Due to neurogenic arthropathy (e.g. B12 deficiency, diabetes, peripheral nerve damage, spinal cord injury, etc.) Causes deformed joints due to lack of sensation and neurogenic feedback. This leads to arthritis, fractures, and signs of degenerative joint disease and loose bodies on imaging. Can treat with mechanical devices

2
Q

What disease is pes anserinus pain syndrome (aka anserine bursitis) associated with?

A

Diabetes

3
Q

What is Felty syndrome?

A

RA (severe joint disease, rheumatoid nodules, vasculitis [mononeuritis multiplex, necrotizing skin lesions]) + neutropenia (ANC <1500/uL) + splenomegaly

4
Q

What is the initial diagnostic modality of choice for suspected osteomyelitis of the spine?

A

MRI

5
Q

What are lab values indicative of Paget disease of bone?

A
  • Elevated alkaline phosphatase
  • Elevated bone turnover markers (eg procollagen type I N-terminal propeptide [PINP], urine hydroxyproline)
  • Normal serum calcium and phosphorus
6
Q

What is treatment for Paget disease of bone?

A

Bisphosphonates

7
Q

What is hypertrophic osteoarthropathy?

A

Condition where digital clubbing is accompanied by sudeen-onset arthropathy (usually affecting the wrist and hand joints). Hypertrophic pulmonary osteoarthropathy is a subset that can be attributed to underlying lung disease (e.g. lung cancer, TB, bronchiectasis, or COPD)

8
Q

What provocative maneuver elicits pain in avascular necrosis?

A

Hip abduction and internal rotation

9
Q

What duration of sx do pt’s need usually for a dx of RA?

A

At least 6 weeks

10
Q

What are the primary signs and symptoms of ankylosing spondylitis?

A

Low back pain that improves with exercise, hip & buttock pain, limited chest expansion & spinal mobility, enthesitis (inflammation at the site of insertion of a tendon to the bone), systemic symptoms (e.g. fevers, chills, fatigue, weight loss), and acute anterior uveitis (unilateral pain, photophobia, blurry vision)

11
Q

What are secondary causes of pseudogout?

A

Hyperparathyroidism, hypothyroidism, and hemochromatosis

12
Q

What are features that can be seen in the hands in patients with psoriatic arthritis?

A

Affects distal interphalangeal joints, arthritis mutilans (deforming arthritis), dactylitis (sausage digitis), nail pitting and onccholysis.

13
Q

What serum marker is elevated in hypothyroid myopathy?

A

CK