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Musculoskeletal > Rheumatology: Muscles > Flashcards

Rheumatology: Muscles Flashcards

1
Q

What are polymyositis and dermatomyositis?

A

Polymyositis is an idiopathic myopathy than causes symmetrical proximal muscle weakness. Dermatomyositis is similar but also has cutaneous manifestations

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2
Q

How do patients with polymyositis/dermatomyositis present?

A

Symmetrical, proximal muscle weakness in the upper and lower extermities
Dysphagic can occur
Interstitial lung disease

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3
Q

How do you diagnose polymyositis/dermatomyositis?

A

Raised inflammatory markers
High CK
Autoantibodies ANA, Anti Jo1 and SRP
Muscle biopsy - shows signs of inflammation, necrosis and regeneraton

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4
Q

How is polymyositis/dermatomyositis managed?

A

Steroids

Methotrexate/Azathioprine

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Musculoskeletal (15 decks)

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