L8 Skin

Question 1

Flat circumscribed area

Answer 1

Macule: <5
Patch: >5

Question 2

Elevated lesion

Answer 2

Papule: <5
Plaque: >5

Question 3

Fluid filled lesion

Answer 3

Vesicle: <5
Bulla: >5

Question 4

Urticaria

What is it

Answer 4

Hives

Erythematous, edematous, pruritic papules and plaques

Question 5

Urticaria
Pathogensis
Type of hypersensitivity
Treatment

Answer 5

Mast cell degranulation
Type I IgE
Antihistamines

Question 6

Eczema

Histology

Answer 6

Spongiotic dermatitis

Question 7

Eczema

Type of hypersensitivty

Answer 7

Type IV: CD4 related

Question 8

Erythema Multiforme

Type of reaction

Answer 8

Hyper sensitvity reaction of medication/drugs

sulfonamids, PCN, NSAIDS, Hydroquinin)(HSV

Question 9

Erythema Multiforme

clinical features

Answer 9

Targetoid lesions

Toxic epidermal necrolysis

Question 10

Psoriasis
Clinical features
Koebner
Auspitz

Answer 10

Salmon plaques w/ silver scale
Acanthosis (thickening)
Koebner: lesion from local trauma
Auspitz: bleeding when scale removed

Question 11

Impetigo

Caused by

Answer 11

Staph or strep
Contagious
Starts as macule, then honey colored crust

Question 12

Pemphigus vulgaris

Type of blistering

Answer 12

Suprabasal acanythylosis

Question 13

Pemphigus

Type of sensitivity and location

Answer 13

Type II
IgG autoantibodies throughout epidermis
(Fishnet appearance)
Use immunosuppressants

Question 14

Actinic keratosis/cheilitis
What is it
Location

Answer 14

Red rough patches on chronically sun exposed skin

Question 15

SCC appearance

Answer 15

scaly plaque

Squamous atypia thruout epidermis

Question 16

SCC spread

Answer 16

Mucosal>cutaneous

Question 17

Basal cell appearance

Answer 17

Pink, Translucent papules

Question 18

Types of Basal cell

Answer 18

Superficial: growth on epidermis
Nodular: downward invasion of dermis