benign skin lesions Flashcards
morpho of seb keratosis
- sharply demarcated, pigmented lesion
- anywhere except soles and palms
- color variable
- velvety to verrucous
difference in time between SK and nevi
nevi early in life, SK later
how to check if SK
try picking and see if there is a waxy character undrneath
Tx of SK
cosmetic
- curettage, cryotherapy, electrodessication
what is dermatosis papulosa nigra
SK in small spots on face (morgan freeman)
what not to use for dermatosis
cryo - can cause hypopigmentation
what are skin tags
acrochorndons - eye, neck, axillae, groin
risk for skin tags
- genetics, obesity, friction, insulin resistance
3 ways to remove
- snip with pressure
- liquid nitogen
- electrodessication
what is morpho of cherry angioma
round to oval, bright red, dome shaped papules
what is dermatofibroma
- dark and with thickened texture
- peripheral rim of darkening common
- may get dimple sign if squeeze edges
what to do with dermatofibroma
reassure it will go away
what is solar lentigines
liver spot
- no need to treat but indicates sun exposure
what is sebaceaous hyperplasia
yellowish - skin colored papules, umbilication
- expect more in coming years
what is keloid
result of abnormal wound healing
- mostly black
