Dermatology Day 1 Flashcards Preview

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Flashcards in Dermatology Day 1 Deck (24)
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1
Q

what do you have to do with derm patients?

A

get them naked!

2
Q

what is a macule?

A

circumscribed, flat lesion <0.5cm

3
Q

what is a flat discoloration >0.5cm

A

patch

4
Q

what is actinic keratosis?

A

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

5
Q

what is an elevated solid lesion <0.5 cm?

A

papule

6
Q

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

A

plaque/nodule

7
Q

what is a circumscribed collection of leukocytes and free fluid?

A

pustule

8
Q

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

A

vesicle

9
Q

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

A

bullae

10
Q

what are wheals?

A

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

11
Q

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

A

scale

12
Q

what is a collection of dried serum and keratin debris?

A

crust

13
Q

what is hyperkeratotic?

A

thickening of stratum corneum

14
Q

what does impetigo affect?

A

superficial layers of skin

15
Q

what does erysipelas affect?

A

infection extends into cutaneous lymphatics

16
Q

what does cellulitis affect?

A

skin and subcutaneous tissues

17
Q

most skin infections are caused by what kind of bacteria?

A

gram positive

18
Q

what is the most common contagious superficial skin infection?

A

impetigo

19
Q

impetigo is a common complication is in which condition?

A

atopic dermatitis

20
Q

what do you do with recurrences of impetigo?

A

use bactroban BID x10 days to everyone in the house

21
Q

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

A

outside border of the lesion

22
Q

what do hyphae look like?

A

tree branches

23
Q

what is leser-trelat sign?

A

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

24
Q

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

A

fungal culture (turns pink in 6-7 dys)

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