PP Clues - Dermatology Flashcards
1st Degree Burns
Red - Epidermis
2nd Degree Burns
Blisters - Hypodermis
3rd Degree Burns
Painless Neuropathy - Dermis
Diseases with palm and sole rashes
TSS RMSF Cocksackie A (hand-foot-mouth disease) Kawasaki Scarlet Fever Staph - Scalded Skin Syndrome Syphilis
Erythema Multiforme
Target lesions
d/t HSV, Phenytoin, Barbituates, Sulfas
Stevens Johnson Syndrome
Erythema Multiforme Major
Mouth, Eye, Vagina - >1 mucosal surface
Toxic Epidermal Necrolysis
Stevens Johnson with skin sloughing
Pemphigus Vulgaris
Ab against desmosomes Circular immunofluorescence In epidermis Oral lesions Nikolsky sign
Bullous Pemphigoid
Ab against hemidesmosomes Linear immunofluorescence Subepidermal "Floating" keratinocytes Eosinophils
Eczema
Dry, flaky dermatitis in flexor creases
Nummular Dermatitis
Circular eczema
Sponglotic Eczema
Weeping eczema - scratching causes oozing
Lichenification
Scratching –> thick, leathery skin
Pityriasis Rosea
Herald patch that follows skin lines
“Christmas tree pattern”
TX = sunlight
Lichen Planus
Polygonal pruritic purple papules
Scabies
Linear excoriation “burrows” in webs of fingers, toes, belt line (sarcoptes feces)
UV-A causes
Aging
UV-B causes
Burns and cancer
ABCD prognosis of skin cancer
Asymmetric
irregular Border
Color differences
>4mm Diameter
Clark Level
Invasion of melanoma