Dermatology Flashcards
stuck on appearance
seborrheic keratosis (a.k.a. basal cell papilloma)
picket fencing/palisading, pearly border, rodent ulcer
basal cell carcinoma
dermatitis herpetiformis + IgA +ve
coeliac disease
granular IgA at the dermal papillae
dermatitis herpetiformis
erythema nodosum associated disorders?
sarcoidosis, IBD, TB and oral contraceptive pill
erythematous bullseye lesion
lyme disease
ash leave spots/shagreen spots + epilepsy + periungum scleroma + adenoma sebacum
tuberous sclerosis
honey/golden crust
impetigo
café au lait spots, Lisch nodules, axillary freckling
neurofibromatosis
silver scale, extensor surfaces
psoriasis
cauliflower warts
HPV warts
Kaposi’s sarcoma
HIV, immunosuppressed, HHSV8 (human herpes simplex virus 8)
Intense erythema on the face and proximal limbs of a child
Slap cheek = parovirus B19 – can cause anaplastic anaemia in Sickle cell disease
Small, umbilicated, translucent nodules – look fluid filled, are solid
molloscum contagiosum
Flaccid blisters that burst easily to form erythematous lesions
pemiphigus vulgaris = Nikolsy sign +ve
Large, tense, itchy bullae that cannot be burst
bullous pemphigoid (Nikolsy sign -ve)
Heliotrope rash, Gottron’s papules, shawl rash
dermatomyositis
Fish scale lesions
ichthyosis
Velvety thickened lesions in axilla
acanthosis nigricans
Target lesion
erythema multiforme
Exclamation mark hairs
alopecia areata
What allergy type is contact irritant?
type IV (mediated by T cells)
Psoriasis exacerbated by what drugs?
lithium, B-blockers
Munro microabscesses
psoriasis
Arthus reaction
type 3 hypersensitivity on skin testing
