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DU PA Intro to Derm

Duke PA Introduction to Dermatology

functions of the skin protective, sensory, makes active V D, identiviation/social communiction
layers of the skin epidermis, dermis, subcutaneous fat
layers of epidermis stratum corneum, stratum granulosum, stratum spinosum, stratum basale
major cell population (80%), immune function keratinocyte
derived from neural crest, same number in all races, also found in hair follicles, brain, and eyes malanocytes
antigen presenting cell in the skin langerhans cells
layers of dermis papillary, reticular
most of the dermis is made up of the reticular dermis
layer of the dermis that contains blood vessels, hair follicles, sebaceous glands, and muscles, sweat glands reticular dermis
types of sweat glands eccrine, apocrine
type of sweat gland involved in thermoregulation, found all over the whole body eccrine
type of swear gland involved in scent, found in axilla, genitals, ears, eyelids, mammary apocrine
cells of the dermis fibroblasts, mast cells, macrophages
cell of the dermis that synthesizes collagen fibroblasts
cell of the dermis that has many IgE receptors on their surface, cause hives Mast cells
means net like reticulated
lesion that looks like a coin nummular
if a group of lesions has a dermatomal distribution what disease is it likely to be herpes zoster (shingles)
flat (non-palpable), alteration in color, size is 1cm or less, macule
a large macules (>1cm) patch
raised (palpable), size is 1cm or less, color can vary, papule
a pearly papule with telangiectasia is probably basal cell carcinoma
is a large papule >1cm plaque
dark brown, waxy papule seborrheic keratosis
raised and filled with clear fluid, size is 1cm or less vesicle
a large vesicle >1cm bulla
dew drops on a rose petal vesicles on an erythematous base (chicken pox)
raised (palpable), circumscribed collection of inflammatory cells and free fluid, variable in size pustule
raised solid, often round, deeper than papule, size is 1cm or less nodule
a large nodule >1cm tumor
skin lesion formerly known as hive wheal
firm, edematous papule or plaque, fluid filled but fluid is bound, flat-topped elevations, transient in nature, type I hypersensitivity reaction wheal
secondary skin lesions scale, crust, erosion, ulcer, fissure, atrophy
secondary skin lesion formerly known as scab crust
collection of serum, blood, or pus crust
focal loss of epidermis, heals without scarring erosion
focal loss of epidermis and dermis, heals with scarring ulcer
linear crack (occurs following lichenification) fissure
erosions from scratching excoriation
enhancing of lines already in the skin lichenification
blackheads and whiteheads=acne comedo
small, superficial keratin cyst milia
dermal nodule, visible opening often seen, filled with cheesy nast-smelling stuff 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
what is the special name for scabies poop scybala
if your patient is itchy have __ in your differential scabies
contact allergen of the year for two consecutive years 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
Created by: bwyche
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