Systemic derm Diseases Flashcards
What is dermatomyositis?
-Rare inflammatory muscle and skin disease, causing proximal muscle weakness and a skin rash
Which gender and in what ages is dermatomyositis more common in?
Women
5-10 years and over 40
Adult dermatomyositis is associated with what?
Malignancy and collagen vascular disease
What is the heliotrope sign in dermatomyositis?
Red-purple edematous erythema on the upper palpebral
What is Gottron’s sign found in dermatomyositis?
Red-purple, keratotic and atrophic erythema / macules on the extensor surface of finger joints
Where is the erythema usually seen with dermatomyositis?
Extensor surfaces of extremity joints, and slight raised red-purple erythema over the elbows or knees
What are the labs that can be elevated with dermatomyositis?
Creatinine kinase
What are the antibodies that can be found with dermatomyositis?
Anti-jo-1
Is the rash seen with dermatomyositis pruritic?
Yes–can awaken from sleep
What happens to the hair with dermatomyositis?
Localized Alopecia
What can happen to the lesions with dermatomyositis?
Calcinosis
What are the systemic s/sx of dermatomyositis?
Fever
Malaise
Weight loss
What are the GI findings of dermatomyositis? (3)
- Esophageal impairment / dysphagia
- GERD
- Ulcers and infections
What are the cardiac findings of dermatomyositis? (2)
AV defects
Tachyarrhythmias
What is the gait that is characteristic of dermatomyositis?
Tip-toe gait
What is the treatment for dermatomyositis?
- Steroids
- Immunosuppressants (MTX)
- Avoid sun + sunscreen
What is the prognosis for dermatomyositis?
Gradual disability in most, but 20% have spontaneous remission
True or false: there is an increased risk of malignancy in dermatomyositis
True
What are the psych / neuro s/sx of SLE?
Psychosis
Szs
What are the lung / CV findings of SLE?
Pleuritis and pericarditis
What is the natural h/o SLE?
Flares and remissions
Who is SLE more common in?
Black women of child -bearing ages
What is the discoid rash with SLE?
Erythematous, raised patches with adherent keratotic scaling and follicular plugging
What is the malar rash seen with SLE?
Fixed erythema (flat or raised) over the malar eminences