Term
| What type of papules are found in dermatomyositis? |
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Definition
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Term
| What is the number one characteritic sign of Dermatomyositis? |
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Definition
| heliotrope color around eyes and periorbital edema |
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Term
| Where are the papules found in dermatomysitis classically located? |
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Definition
| DIP and MCP of the dorsal hands |
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Term
| What is true of the spead of onset dermatomyositis? |
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Definition
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Term
| What type of weakness (distal or proximal) is present in dermatomysitis? |
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Definition
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Term
| What is often found under the finger nails of dermatomysitis patients? |
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Definition
| periungual telangiectasia |
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Term
| What is periungual telangiectasia? |
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Definition
| dilated vessels under the finger nails |
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Term
| What is the characteristic muscle biopsy finding in dermatomysitis? |
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Definition
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Term
| What is the best way to distinquish polymyositis from dermatomyositis? |
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Definition
| perifasicular atrophy in dermatomyositis and regular atrophy in polymyositis |
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Term
| What is the only infectous myopathy that has hypertrophy? What is this hypertrophy called? |
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Definition
| inclusion body myopathy has splitting hypertrophy |
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Term
| What is the pathogenesis of dermatomyositis? |
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Definition
| it is antibody and complement mediated MAC C5-9 |
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Term
| What immune cell mediates polymyositis? |
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Definition
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Term
What are the five characteristics that are used to help decide if dermatomyositis is possible, probable, and absolue?
How many of these characteristics do you need to make each category? |
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Definition
inflammatory biopsy
EMG
Characteristic skin lesions*
proximal weakness
increased muscle enzymes
2: possible
3: probably
4: absolute
*must have characteristic skin lesions in each category |
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