Dermatology Day 1 Flashcards Preview

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Flashcards in Dermatology Day 1 Deck (24):
1

what do you have to do with derm patients?

get them naked!

2

what is a macule?

circumscribed, flat lesion <0.5cm

3

what is a flat discoloration >0.5cm

patch

4

what is actinic keratosis?

SCCA confined to the epidermis, lesions are common caused by CHRONIC PROLONGED SUN EXPOSURE

5

what is an elevated solid lesion <0.5 cm?

papule

6

what is a circumscribed, elevated, superficial solid lesion >0.5cm?

plaque/nodule

7

what is a circumscribed collection of leukocytes and free fluid?

pustule

8

what is a circumscribed collection of free fluid <0.5cm?

vesicle

9

what is a circumscribed collection of free fluid >0.5cm?

bullae

10

what are wheals?

edematous plque resulting from infiltration of the dermis with fluid (transient and lasts hours)

11

what is excess dead epidermal cells produced by abn keratinization and shedding?

scale

12

what is a collection of dried serum and keratin debris?

crust

13

what is hyperkeratotic?

thickening of stratum corneum

14

what does impetigo affect?

superficial layers of skin

15

what does erysipelas affect?

infection extends into cutaneous lymphatics

16

what does cellulitis affect?

skin and subcutaneous tissues

17

most skin infections are caused by what kind of bacteria?

gram positive

18

what is the most common contagious superficial skin infection?

impetigo

19

impetigo is a common complication is in which condition?

atopic dermatitis

20

what do you do with recurrences of impetigo?

use bactroban BID x10 days to everyone in the house

21

where do you harvest the scraping from when you want to do a KOH prep?

outside border of the lesion

22

what do hyphae look like?

tree branches

23

what is leser-trelat sign?

dramatic increase in number of super itchy SKs can indicate an underlying malignancy

24

what is the preferred lab test for nails and hair and sensitive skin areas to test for fungus?

fungal culture (turns pink in 6-7 dys)

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