Inflammatory skin disorders Flashcards
name a condition with a purplish purpuric lesions?
lichen planus
name the three histological features?
basal cell liquidifed degeneration
lymyphocyte infilteration
thickening of the granular layer
what age bracket do the majority occur In?
2/3 in 30-60 year old
m to f ratio?
equal
what is it cause?
unknown/unclear
igM found in the dermoepithelial junctions
where does it usually start?
limbs - forearms and wrists, thighs and shins,
other areas genitals, pales/soles of feet
can spread but usually localised
does it clear itself ?
yes by 9 months often leaves pigmentation or becomes hypertrophic
15% will still have some 1.5 years later
does it comeback?
15-20% have recurrence
treatment
self limiting but can give
anti histamines
steroids-prednisolone
UV photherapy
what percentage of the population is affected by psoriasis?
2%
what age group does it commonly affect?
30s, teens, over 60s
description?
salmon pink crusty flaky patches with silvery scales
what are the five types?
gutatte flexoral palmoplantar pustular classical erythrodemic
describe the key features of guttate
usually in childhood
associated with post step. tonsillitis
multiple erythematous and scaly macules
palmoplantar pustular?
yellow-brownish plaques on soles and palms
