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afya
Bullous Pemphigoid
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> over 70yr skin and occ mouth autoimmune to layer holding epidermis and dermis together may be itchy, tense blisters Biopsy useful to be certain as long term treatment with strong drugs with immunoflourescence - direct (normal skin in Michelles medium) or indirect (serology) Mx - topical steroid may be enough, else oral steroid, Azathioprine, Tetracycline, Dapsone, Nicotinamide with Doxycycline Automimmune - Abs to hemidesmosomal protein BP 180 and BP 230 sub-epidermal blistering more common in elderly itchy tense blistering typically around flexures, heal without scarring no mucosal involvement (well 10% but not in exams !) (mucoSal involved in PemphiguS) Skin Bx - include for IMF - shows IgG and C3 at dermoepidermal junction Mx refer dermatology for Bx oral steroids also topical steroids, immunosuppressants and antibiotics
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slimindex, note, Blistering