Derm: bullous, hair and nails

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Author:
mycards2014
ID:
149319
Filename:
Derm: bullous, hair and nails
Updated:
2012-04-22 23:56:19
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Dermatology
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Description:
Bullous Dermatoses, Disorders of Pigmentation, Hair and Nails lecture
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  1. What isPemphigus Vulgaris?
    • Autoimmune dz against desmosomes
    • Acantholysis
    • Onset 40-60yo
    • Can be fatal if not treated (immunosuppressive drugs)
  2. Pemphigus Vulgaris
  3. What is Bullous Pemphigoid?
    • Autoimmune dz against basement membrane proteins (hemidesmosomes)
    • Often follows other skin eruption, like erythema multiforme
    • Onset > 60yo
    • Tx with systemic prednisone
  4. Bullous Pemphigoid
  5. What is Epidermolysis bulla?
    • Congenital dz with friable skin that responds to minimal trauma with break down, bulla formation and ulceration.
    • N-sign
  6. Epidermolysis bulla
  7. Steven’s Johnson syndrome
  8. Hyperpigmented palmar creases, gingival and nails
    Addison's dz
  9. Argyria: silver consumption
  10. Neurofibromatosis: cafe au lait spot with smooth border
  11. McCune Albright syndrome: Cafe au lait spot with "coast of Maine" border
    • Vitiligo: defect in melanocytes to produce melanin
    • Symmetric presentation
  12. Hypoethetic or anethetic hypopigmented macules and plaques.
    Leprosy (Hansen's dz)
    • Pellagra: hypopigmented, scaly lesions
    • Cause by niacin/tryptophan deficiency
    • Diarrhea
    • Dementia
    • Death
  13. Pityriasis alba: self-limiting (possibly allergic)

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