Secondary Skin Lesions

Question 1

heaped-up, keratinized cells; flaky skin, irregular; thick or thin, dry or oily, variation in size (flaking with seborrheic dermatitis, drug reaction, dry skin)

Answer 1

Scale

Question 2

rough, thickened epidermis secondary to persistent rubbing, itching, or skin irritation, often involves flexor surface of extremity (chronic dermatitis)

Answer 2

Lichenification

Question 3

irregularly shaped, elevated, progressively enlarging scar, grows beyond the boundaries of the wound, caused by excessive collagen formation during healing (following surgery)

Answer 3

Keloid

Question 4

thin to thick fibrous tissue that replaces normal skin following injury or laceration to the dermis (healed wound or surgical incision)

Answer 4

Scar

Question 5

loss of the epidermis, linear hollowed-out crusted area (abrasion, scratch or scabies)

Answer 5

Excoriation

Question 6

linear crack or break from the epidermis to the dermis, may be moist or dry (athlete’s foot, cracks at the corner of the mouth)

Answer 6

Fissure

Question 7

loss of part of the epidermis, depressed, moist, glistening, follows rupture of a vesicle or bulla (varicella, variola after rupture)

Answer 7

Erosion

Question 8

loss of epidermis and dermis, concave, varies in size (decubiti, stasis ulcers)

Answer 8

Ulcer

Question 9

dried serum blood, or purulent exudates, slightly elevated, size varies, brown, red, black, tan or straw-colored (Scab on abrasion, eczema)

Answer 9

Crust

Question 10

thinning of skin surface and loss of skin markings; skin translucent and paperlike (striae, aged skin)

Answer 10

Atrophy