Secondary Skin

Question 1

Erosion

Answer 1

Loss of superficial epidermis
• Surface is moist but doesn’t bleed
• Heals without scarring
• Examples – ruptured vesicle, atopic dermatitis (scratching)

Question 2

Ulcer

Answer 2

Deeper loss of epidermis & dermis
• Heels with scarring
• Examples – stasis ulcer

Question 3

Fissure

Answer 3

• Linear crack or break from the epidermis to the dermis • Examples – atopic dermatitis, tinea pedis, angular
cheilitis

Question 4

Scale

Answer 4

A thick flake of exfoliated epidermis

• Examples – seborrhea, psoriasis

Question 5

Crust

Answer 5

Dried residue of serum, pus, or blood

• Example – impetigo

Question 6

Excoriation

Answer 6

Abrasion or scratch mark
• May be linear or rounded
• Usually due to scratching
• Examples – atopic dermatitis, dry skin

Question 7

Lichenfication

Answer 7

Thickening & roughening of the skin
• Increased visibility of skin markings
• Examples – chronic atopic dermatitis

Question 8

Atrophy

Answer 8

Thinning of the skin with loss of
normal markings • Skin looks shinier & more
translucent • Example – striae (stretch marks)

Question 9

Keloid

Answer 9

Hypertrophic scarring
• Extends beyond the borders of
initial injury