Skin stuff part 3

Question 1

Scale

Answer 1

Heaped-up keratinized cells
Flake of dead exfoliated epidermis
Irregular, thick or thin, oily or dry
Variable size

Dry skin
Psoriasis
Flaking skin of Seborrheic dermatitis
Dandruff

Question 2

Crust

Answer 2

Dried serum, blood, or purulent exudate
Slightly elevated
Varies in size

Honey-crusted = impetigo
Escher - scab on abrasion or wound, especially a burn

Question 3

Lichenification

Answer 3

Rough, thickened epidermis
Secondary to persistent rubbing, itching, or skin irritation
Often involves flexor surface

Chronic dermatitis

Question 4

Hypertrophic scar

Answer 4

Thin to thick fibrous tissue that replaces normal skin following injury to dermis

Question 5

Keloid scar

Answer 5

Irregular, elevated, progressively enlarging scar

Question 6

Erosion

Answer 6

Non-scarring shallow defect in skin; epidermis is lost due to pressure or friction
Depressed, moist, glistening
Follows rupture of vesicle or bulla
Desquamation

Question 7

Desquamation

Answer 7

Shedding of epidermal cells

Question 8

Excoriation

Answer 8

Loss of epidermis
Linear hollowed-out crusted areas

Abrasion
Scratching

Question 9

Fissure

Answer 9

Linear crack or break from epidermis to dermis
May be moist or dry

Athlete’s foot
Cheilosis
Anal fissure

Question 10

Ulcer

Answer 10

Loss of epidermis and dermis
Varies in size and depth
Concave

Decubitus ulcer
Stasis ulcer

Question 11

Atrophy

Answer 11

Thinning of the skin
Less of skin markings
Skin is translucent and paper-like

Aged skin or striae
Cushing’s syndrome