actinomycosis Flashcards
what is it
chronic auto immune inflammatory skin disease
characterized by well demarcated salmin pink plaques w/ silver lining
cause
hla c is and homozygotes at risk
triggered by trauma and some diseases
types
large plaque
small plaque
localised
systemic
clinical features
lesions are found on the elbows
knees
scalp
cleft of bbuttocks
thick salmon coloured plaques
nail pitting and oil spots
pruritis
describe lesion
well demarcated eryhtematous lesion
dg
clinical exam
skin biopsy
what does skin biopsy shoq
acanthosis
thin basilar layer of epidermis
thickened rete ridges
parakeratosis
what is parakeratosis
nuclei in the stratum corneum
band UV beam
dx
eczema
tinea corporis
secondary syphillis
pityriasis roseaca
topical rx
emolients to keep skin poisterized
vitamin d as calciprotriol
topical cortico sterioids
photo therapy
broadband UV beam
narrowband UV beam
systemic rx
methotrexate