Dermatology Flashcards
What are 1st degree burns?
Red (epidermis)
What are 2nd degree burns?
Blisters (hypodermis)
What are 3rd degree burns?
Painless neuropathy (dermis)
What disease have palm and sole rash?
"TRiCKSSS" Toxic Shock Syndrome Rocky mountain spotted fever Coxsackie A: Hand-Foot-Mouth disease Kawasaki Scarlet fever Staph Scaled Skin Syphilis
What is Erythema Multiforme?
Target lesions (viral, drugs)
What is Stevens Johnson syndrome?
Erythema Multiforme Major (mouth, eye, vagina)
What is Toxic Epidermal Necrolysis?
Stevens Johnson w/skin sloughing
What is Pemphigus Vulgaris?
Ab against desmosones=> circular immunofluoresence, in epidermis, oral lesions, + Nikolsky sign
What is Bullous Pemphigoid?
Ab against hemidesmosomes => linear immunofluorescence, subepidermal, “floating” keratinocyytes, eosinophils
What is Eczema?
Dry flaky dermatitis in flexor creases “itch that rashes”
What is Nummular dermatitis?
Circular eczema
What is Spongiotic eczema?
Weeping eczema: scratching causes oozing “like a sponge”
What is Lichenification?
Scratching => thick leathery skin
What is Pityriasis Rosea?
Herald patch that follows skin lines (Tx: sunlight) “C mass tree pattern”
What is Lichen Planus?
Polygonal pruritic purple papules
What is Scabies?
Linear excoriation “burrows” in webs of fingers, toes, belt line (Sarcoptes feces)
What does UV-A cause?
Aging
What does UV-B cause?
Burns and cancer
What are the ABCD’s that indicate worse prognosis of skin cancer?
Assmetric
Irregular Borders
Color differences
> 4mm Diameter
What does the Clark level tell you?
Invasion of melanoma
What does Breslow’s classification tell you?
Depth of melanoma
Where are Malignant Melanomas usually found?
Males: back
Females: leg
What is the precursor od a Malgnant Melanoma?
Hutchison’s freckle
What are the types of Malignant Melanomas?
Superficial spreading: most common, flat brown
Nodular: worst prognosis, black, dome shape
Lentigo maligna melanoma: elderly pts, fair-skin
Acral lentigous: AIDS pts, dark skin
