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Dermatology > PANCE/PANRE Study Guide Book > Flashcards

Flashcards in PANCE/PANRE Study Guide Book Deck (49)
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1

Papule

raised, solid < 10 mm

2

Nodule

Raised, solid > 10mm

3

macule

Flat < 10mm

4

Patch

flat > 10mm

5

Plaque

plateau like > 10mm

6

Vesicle-

Raised, contains serous fluid < 5mm

7

raised, contains serous fluid > 5 mm

raised, contains serous fluid > 5 mm

8

Pustule-
.

raised, contains purulent material

9

Wheal-

elevated lesion from local edema, transient

10

Crust-

hard surface, dried sebum, exudates, blood, necrotic skin

11

Scale

horny epithelium with dry appearance

12

Erosion

defect of epidermis (non scarring)

13

Ulcer

defect of dermis or deeper (scarring)

14

Types of Dermatitis

Contact Dermatitis, Atopic Dermatitis, Nummular Eczema, Seborrheic Dermatitis, Perioral dermatitis

15

Treatment for dermatitis

Avoid offending agent.  Burrow’s solution (aluminum acetate), topical steroids, zinc oxide (diaper rash)

16

atopic dermatitis presentation

Pruritic papules and plaques

17

atopic dermatitis etiology

IgE, type 1 hypersensitivity

18

Nummular Eczema

coin Shaped/ discoid plaques

19

SEBORRHEIC DERMATITIS

Cradle Cap:
Erythematous/yellow, scaly crusted lesions. 
Location: Infants- scalp.
Adults/puberty- body folds.
Treatment: Ketoconazole shampoo

20

Lichen planus:

5 P’s: purple, papule, polygonal, pruritis, planar Wickham striae
Treatment: Topical steroids

21

Pityriasis rosea:
.

-Herald patch: Large oval plaque with central clearing and scaly border. 1st sign
-Pruritic erythematous plaque with central scale in ---Christmas tree pattern on the trunk
-The disease is self-limiting

22

Psoriasis:

Erythematous plaque with silver scaling on extensor surfaces
Types:
Psoriasis Vulgaris- most common.
Guttate- children.  After URI.  Small lesions
Inverse- intertriginous areas.
Pustular- contains pustules
Signs:
Auspitz sign (bleeds when scale is picked)
Koebner’s phenomenon (minor trauma causes new
lesion)
Treatment: Topical steriods.

23

Erythema multiforme:

Causes: HSV, sulfa drugs
Target lesions on hands, feet and mucosa Treatment: Avoid trigger

24

Steven Johnson syndrome/ Toxic epidermal necrolysis:
.

SJS is 3-10% of body, TEN is > 30% of body
Causes: drug reaction- most often sulfa drugs. Also other
antibiotics, anti-epileptics
Prodrome, then morbiliform lesions, blisters, necrotic
epidermis, Nikolsky sign (pushing blister causes further
separation from dermis)
Diagnosis: Biopsy- shows necrotic epithelium
Treatment: Treat underlying cause and supportive (burn
unit)

25

Acne vulgaris

Open comedones (black heads), closed comodones (white
heads), papules, pustules, nodules or cysts Treatment:
Most acne- topical retinoids
Cystic acne-
tetracyclines then oral retinoids- isotretinoin (causes
dry lips, liver damage, pregnancy category X)

26

Rosacea:

Women aged 30-50
Facial erythema, telangiectasias, papules
Triggers: heat, alcohol, spicy foods
Treatment: metronidazole topical

27

Actinic keratosis:

Presentation:
Flesh-colored/pink/yellow-brown lesion with rough
sandpaper feel at sun-exposed areas
May progress to squamous cell carcinoma Treatment:
Cryotherapy, electrodesiccation

28

Seborrheic keratosis:

Brown-black stuck on waxy plaques
Treatment: Unnecessary. Excise for cosmetics

29

Lice (Pediculosis):

Presentation: Pruritic scalp, body or groin.
Nits are observed as small white specs on hair shaft Treatment: Permethrin

30

Scabies:

Presentation: Pruritic papules. S shaped or linear burrows on skin. Often in web spaces.
Diagnosis: microscropic observation of mite, egg or feces after skin scrape
Treatment: Permethrin