Bullous diseases Flashcards
what is this a presentation of?
bullous pemphigoid
autoimmune sub-epidermal blistering disease in elderly
IgG autoantibody mediated
pruritus
rare mucosal involvement
why is bullous pemphigold bulla intact?
sub-epidermal blister
Tx for bullous pemphigold
topical corticosteroids or intralesional steroids for localized
systemic corticosteroids for extensive
what is this a presentation of?
pemphigus vulgaris
chronic, autoimmune blistering disease
>60s
painful sores in mouth
ashkenazi jews and certain HLA types
What is Nikolsky’s sign?
slight rubbing of skin will extend bullae or cause erosion
Tx for bullous pemphigoid
IVIG
cyclosporine
rituximab
(systemic immunosuppression)
what is this a presentation of?
dermatitis herpetiformis
gluten-sensitive enteropathy
small blisters (papulovesicular eruption over extensor surfaces)
excoriation
deposition of IgA immune complexes
Tx for dermatitis herpetiformis
gluten free diet
dapsone
list the phases of wound healing
hemostasis
inflammatory
proliferative (weeks)
remodelling (months)
chronic wounds stall in the inflammatory phase
list the etiology of non-healing wound
vascular (lack of blood flow)
infection/inflammation
pressure
edema