Benign skin lesions module

Question 1

seborrheic nevi age of onset

Answer 1

appear in the first three decades of life

Question 2

seborrheic keratosis age of onset

Answer 2

common after age 30 often multiple, usually begin to appear during and after fourth decade and continue to arise throughout life

Question 3

location of seborrheic keratosis

Answer 3

anywhere except palms and soles

Question 4

description of seborrheic keratosis

Answer 4

usually papules or plaques but may be macular

Question 5

color of seborrheic keratosis

Answer 5

color can vary from black to tan to white to pink

Question 6

seborrheic keratosis

Answer 6

benign superficial (epidermal) growth sharply marginated and pigmented lesions

Question 7

are seborrheic keratoses harmful?

Answer 7

no

Question 8

excoriated seborrheic keratosis

Answer 8

a pink base is revealed

Question 9

Answer 9

dermatosis papulosa nigra

Question 10

a new nevus at age 50 is suspicious of

Answer 10

melanoma

Question 11

how are keratoses removed

Answer 11

cosmetic removal is possible with snipping or electrodessication

Question 12

use caution in dark skin as freezing can cause

Answer 12

dyspigmentation

Question 13

stucco keratoses

Answer 13

small white SKs pepper dorsal feet and ankels of older fair skinned individuals

Question 14

Answer 14

stucco keratoses

Question 15

how to tell if a lesion is seborrheic keratosis

Answer 15

they are superficial epidermal growths, they have a stuck on quality like a piece of wax pressed onto the skin

Question 16

age of stucco keratoses onset

Answer 16

older fiar skinned individuals

Question 17

skin tags

Answer 17

acrochordons

Question 18

acrochordons

Answer 18

fleshy papules arise in axillae, neck, groin, and eyelids

skin colored to brown

often pedunculated

Question 19

why do skin tags develop

Answer 19

genetics, obesity, friction

Question 20

skin tags can be a marker for

Answer 20

insulin resistance

Question 21

skin tag removal

Answer 21

elective,

could fall off on own if blood supply dies and they necrose

Question 22

dermatosis papulosa nigra location

Answer 22

arise in dark skin photoypes usually on cheecks and temples

Question 23

Answer 23

angioma

Question 24

do cherry angiomas go away

Answer 24

no

Question 25

location of cherry angiomas

Answer 25

trunk

Question 26

traumatized cherry angioma

Answer 26

thrombosed therefore mimics melanoma

Question 27

Answer 27

dermofibroma

Question 28

dermatofibroma location

Answer 28

common on legs, often multiple, may be induced by minor trauma

Question 29

characteristics of dermatofibroma

Answer 29

benign spindle cell dermal proliferation looks like a wad of scar tissue under the microscope

firm, scar-like texture

peripheral rim of darkening pigment is common

Question 30

the dimple sign

Answer 30

when a dermatofibroma is pinched it looks like a dimple

Question 31

sun spots

Answer 31

solar lentigines

Question 32

etiology of solar lentigines

Answer 32

sun damage, not cancerous or precancerous, but could identify patients at risk for skin cancer sice its caused by UV light

Question 33

how to prevent solar lentigines

Answer 33

sun protection

Question 34

Answer 34

solar lentigines

Question 35

sebaceous hyperplasia

Answer 35

oil gland overgrowth, yellowish color, umbilication due to growth around a central hair follicle

Question 36

how many sebaceous hyperplasia

Answer 36

multiple occur over time

Question 37

name and describe

Answer 37

sebaceous hyperplasia

numerous skin colored or slightly yellow, umbilicated (have a central dell) papules on forehead and central face