Derm Flashcards
1st Degree Burns
Red - Epidermis
2nd Degree Burns
Blisters - Hypodermis
3rd Degree Burns
Painless Neuropathy - Dermis
Diseases with palm and sole rashes
TSSRMSFCocksackie A (hand-foot-mouth disease)KawasakiScarlet FeverStaph - Scalded Skin SyndromeSyphilis
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 desmosomesCircular immunofluorescence In epidermisOral lesionsNikolsky sign
Bullous Pemphigoid
Ab against hemidesmosomesLinear immunofluorescenceSubepidermal”Floating” keratinocytesEosinophils
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 BorderColor differences>4mm Diameter
Clark Level
Invasion of melanoma
Breslow’s Classification
Depth of melanoma
Location of Malignant Melanomas
Men = backFemales = leg
Precursor of Malignant Melanoma
Hutchison’s freckle
Types of Malignant Melanoma
Superficial spreading - MC, flat, brownNodular - worst prognosis, black, dome shapedLentigo malignant melanoma - elderly, fair skinAcral lentigous - AIDS, dark skin