Seborrheic keratosis Flashcards
Sharply demarcated, pigmented lesions, raised and rarely macular, stuck on quality
SKs
Compared with SKs, nevi typically occur in
the first 3 decades of life (SKs after 4th)
how do you confirm SKs?
pick on lesion, it may crumble, flake off, superficial waxy character
how can SKs be treated?
curettage
cryotherapy
electrodessication
shave removal
multiple small hyperpigmented sessile, filiform, smooth-surfaced papules
dermatosis papulosa nigra
how do you NOT treat dermatosis papulosa nigra
Freezing! can cause unsightly hypopigmentation
common treatment for dermatosis papulosa nigra
Light electrodessication - causing superficial destruction
Small white-gray SKs pepper dorsal feet and ankles of older fair-skinned individuals
Stucco keratoses - treat with cryo, curretage, dessication
cherry angiomas usually appear in which decade
4th decade and increase in number over time
Changing blue to black color, pink-red at times, papule or plaque may ulcerate or bleed - DDx
r/o nodular melanoma
Firm hyperpigmented dome-shaped papules (tan-pink in patients with lightly pigmented skin) with a peripheral rim of darkening pigment is common
Dermatofibroma
lesion that dimples - dimple sign - nodule
dermatofibroma
sun spots or liver spots also called
solar lentigines
yellowish flesh colored smooth papules, sometimes umbilicated
sebaceous hyperplasia
overgrowth of scar tissue associated with abnormal wound healing
keloids