Dark and Light Rashes

Question 1

hyperpigmented scalymacules on the upper chest and back make you suspicious of what?

Answer 1

tinea versicolor

Question 2

what causes tinea versicolor?

Answer 2

round spores of malassezia

Question 3

how do you diagnose tinea versicolor?

Answer 3

KOH exam

Question 4

is tinea versicolor always hyperpig?

Answer 4

nah it can be hypo too

Question 5

how do you treat tinea versicolor?

Answer 5

with anti dandruff shampoos like selenium sulfide and pyrithione zinc or ketoconazole

Question 6

how long does tinea versicolor take to clear?

Answer 6

months

Question 7

what is melasma?

Answer 7

hyperpigmented reticulated patches on the cheeks of women

Question 8

who gets melasma?

Answer 8

common in mexican and asian women

Question 9

what is melasma associated with?

Answer 9

pregnancy

Question 10

what do you do to prevent melasma?

Answer 10

heavy use of sunscreen

Question 11

what is a drug that can cause a rash on the skin?

Answer 11

minocycline

Question 12

describe the changes seen with minocycline

Answer 12

brown/blue grey deposition/pigmentation

Question 13

where does minocycline pigmentation occur?

Answer 13

starts in gingiva/mouth and moves to scars and shins…can appear in bones

Question 14

name two other meds that cause skin rashes

Answer 14

amiodarone and hydroxychloroquine and chlorquine

Question 15

what is stasis dermatitis?

Answer 15

sitting around and get accumulation of hemociderin in skin of legs due to poor circulation

Question 16

what color is stasis dermatitis usually?

Answer 16

usually a brown color with eczematous pattern

Question 17

what can occur with long standing stasis dermatitis?

Answer 17

venous ulcers

Question 18

how do you treat stasis dermatitis? ointment or cream?

Answer 18

elevation and compression with ointments

Question 19

if you have an injury…what can happen to the skin surrounding it after healing? what is this called?

Answer 19

can be hyper or hypopigmented

postinflamm hyper or hypopigmentation

Question 20

what exam do you do to determine if something is hypopig or totally depig?

Answer 20

woods light exaM

Question 21

how does depig appear on woods light exam?

Answer 21

flashy white

Question 22

what is depigmentation of the hands or face called?

Answer 22

vitiligo

Question 23

how is vitiligo controlled?

Answer 23

autoimmune disease attacking melanocytes

Question 24

give two drug treatments for vitiligo

Answer 24

topical steroid or tacrolimus

Question 25

if something is hypopgmented following steroid use what is this called?

Answer 25

steroid hypopigmentation

Question 26

what is dyskeratosis congenita? give the four symptoms of it

Answer 26

genetic issue leading to reticulate dyspigmentation
premature skin aging
nail dystrophy
oral leukoplakia

Question 27

what are you at risk for with dyskeratosis congenita? why?

Answer 27

due to oral leukoplakia you are at risk for malignancy