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12 Cards in this Set

  • Front
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less than 1 cm
flat and circumscribed
color change
Ex. freckles, petechiae
macule
macules larger than 1 cm
ex. mongolian spot, vitiligo, cafe au lait chloasma
Patch
less than 1 cm
something you can feel
ex. mole, lichen planunus, molluscum, verruca
papule
papules wider than 1 cm.
plateaulik
disk shaped
ex, psoriasis, lichen planus
Plaque
Larger than 1 cm
solid, elevated, hard or soft
deeper than papule
xanthoma
fibroma
nodule
larger than a few centimers i diameter
firm or soft
deeper into dermis
may be benign or malignant
lipoma
hemangioma
tumor
superficial, raised, transient, erythematous
slightly iregular shape due to edema
ex. mosquito bite
allergic reaction
wheal
wheals coalesce to form extensive reaction, intensely pruritic
Urticaria (Hives)
fluid filled
dermis or subcutaneous
tensely elevating skin
ex. wen
cyst
Elevated cavity containing free fluid
Up to 1 cm
clear serum if ruptured
vesicle
larger than 1 cm
unilocular
supeficial in epidermis
thin wall ruptures easily
friction blister
pemphigus contact dermatitis
burns
bulla
turbid fluid (pus) in the cavity
circumscribed and elevated
ex. impetigo, acne
pustule