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Derm Intro 2


blackheads and whiteheads=acne comedo
small, superficial keratin cyst milia
dermal nodule, visible opening often seen; cheesy foul-smelling contents cyst
narrow, elevated tunnel=parasite (scabies) burrow
thickening of the skin lichenification
dilated superficial vessels telangectasia
nonblanchable blood deposit 1cm or less petechiae
perechiae >1cm purpura
KOH prep is used to help see what fungus and yeast
what is diascopy used to see (putting pressure on a lesion to see if it blanches) vascular lesions
what is a Tzanck Smear used to identify virus
what is mineral oil prep used to identify scabies
what is patch testing used for when contact allergy is suspected
acetowhitening is unreliable
when in doubt what do you do biopsy
fancy name for blacklight Wood's Light
a simple office procedure used to identify fungal organisms and yeast prior to initiating treatment KOH prep
when doing a KOH prep always scrape the __ border of the lesion
office procedure for suspected viral infection, scrapings must be obtained from the base of a freshly opened vesicle Tzanck smear
what are you looking for under the microscope when doing a Tzanck smear multinucleated giant cells
aka scabies prep mineral oil prep
Scabies droppings, AKA: scybala
if your patient is itchy have __ in your differential scabies
Most common contact allergen neosporin
fluoresces white with wood's lamp vitiligo
fluoresces coral red with wood's lamp erythasma
honey colored crust is pathognomonic for impetigo
what causes hand foot and mouth disease coxsackie virus
Decubitus ulcer Stage I: nonblanching erythema, intact skin
Decubitus ulcer Stage II necrosis, superficial; involving epidermis/dermis; shallow ulcer
Decubitus ulcer Stage III deep necrosis; crater ulcers w/full thickness skin loss; to but not thru fascia
Decubitus ulcer Stage IV full thickness ulceration w/necrosis damage to mx/bone
Created by: Abarnard