derm

Question 1

rashes or blisters (involving dermis)

Answer 1

punch biopsy

Question 2

erythema nodosum, panniculitis (involving subcutis)

Answer 2

elliptical excision, saucerization

Question 3

atypical moles, pigmented lesions

Answer 3

elliptical excision, saucerization

Question 4

margins for suspected melanoma

Answer 4

1-3mm margins

Question 5

rashes w/ fever

Answer 5

roseola, 5ths, scarlet fever

Question 6

atopic dermatitis

Answer 6

extensor surfaces
cheeks, scalp
chronic relapsing inflammatory skin condition
pruritic

Question 7

pityriasis rosea

Answer 7

herald patch, tree pattern

Question 8

molluscum contagiosum

Answer 8

pearly papules, umbilicated, spontaneous resolution

Question 9

measles rash

Answer 9

starts on face/mouth

ill-appearing

Question 10

trunk --> peripherally
macular/maculopapular
age: 3yrs
fever
1-2 days

Answer 10

roseola

Question 11

trunk, BL symmetry
xmas tree
herald patch
rose colored w slight scale
NOT pruritic
widespread

Answer 11

pityriasis rosea

Question 12

body but spares palms, soles
blanching fine macules
sunburn like
sandpaper papules
fever before rash
lasts several weeks

Answer 12

scarlet fever

Question 13

thick yellow crust

vesicles or pustules

Answer 13

impetigo

Question 14

face & thighs
erythematous on face
then pink papules
lacy, reticular pattern
low grade fever

Answer 14

fifths

erythema infectiosum

*not infectious once rash appears

Question 15

anywhere
erythematous, annular patch
raised border
central clearing 
confirm w/ KOH

Answer 15

tinea

Question 16

punch/superficial shave biopsy

Answer 16

performed for large lesions when suspicion of melanoma is low (has potential effects on staging and prognosis)

Question 17

high-risk malignancy is > _mm

Answer 17

6mm

Question 18

acne tx in skin of color

Answer 18

combo therapy over monotherapy

Question 19

topical retinoids in skin of color

Answer 19

use at lower conc to avoid hypERpigmentation

Question 20

tx of acne and post inflamm hyper pigmentation in skin of color

Answer 20

azelaic acid

Question 21

most comm cancer in skin of color

Answer 21

basal cell CA
(glossy black with pearly appearance)

usu in non-sun-exposed sets such as LE, anogenital area, scalp

shave biopsy

Question 22

comm melanoma among ppl of color

Answer 22

acral lentiginous melanoma

Question 23

preferred post-inflamm hypERpigment tx

Answer 23

hydrochloroquinone

Question 24

dermatosis papulosa nigra

Answer 24

benign with no malignant potential
strong genetic predisopsition
no tx req

Question 25

pseudofolliculitis barbae tx

Answer 25

topical steroids
benzoyl peroxide
topical antibiotics
topical retinoids

Question 26

acne keloidalis nuchae

Answer 26

progressive, chronic
typically at occipital scalp and posterior neck

tx: topical abc and potent topical steroids

Question 27

keloids

Answer 27

low doses of intralesional steroids