Secondary Skin Lesions

Question 1

Lichenification

Answer 1

A distinctive thickening of the skin (cutaneous hypertrophy) that is characterized by accentuated skin-fold markings

Question 2

Scale

Answer 2

Excessive accumulation of stratum corneum

Question 3

Crust

Answer 3

Dried exudate of body fluids that may be either yellow (i.e. serous crust) or red (i.e. hemorrhagic crust)

Question 4

Erosion

Answer 4

Loss of epidermis without an associated loss of dermis

Question 5

Ulcer

Answer 5

Loss of epidermis and at least a portion of the underlying dermis

Question 6

Excoriation

Answer 6

Linear, angular erosions that may be covered by crust and are caused by scratching

Question 7

Atrophy

Answer 7

An acquired loss of substance. In skin it may appear as a depression with intact epidermis (i.e. loss of dermal or subcutaneous tissue beneath the epidermis).

Or, it may appear as sites of shiny, delicate, wrinkled lesions (i.e. epidermal atrophy)

Question 8

Scar

Answer 8

A change in the skin secondary to trauma or inflammation. Sites may be erythematous, hypopigmented, or hyperpigmented depending on their age and character. Sites on hair-bearing areas may be characterized by destruction of their hair follicles