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Secondary Lesions

Terms in this set (10)

Crust
thickened, dried-out exudate when vesicles/pustules burst or dry up; eg. impetigo, weeping eczematous dermatitis, scab after abrasion
Scale
compact, desiccated flakes of skin; eg. psoriasis, seborrheic dermatitis, eczema, xerosis
Fissure
linear crack with abrupt edges; eg. cheilosis, athlete's foot
Erosion
superficial; epidermis depression; moist but not bleeding
Ulcer
deeper depression extending into dermis, irregular shape; may bleed; eg. stasis ulcer, pressure sore, chancre
Excoriation
self-inflicted abrasion; superficial; can be crusted; eg. insect bites, scabies, dermatitis, varicella
Scar
permanent fibrotic change; normal tissue replaced with collagen; eg. healed area of surgery or injury, acne
Atrophic scar
skin level depressed with loss of tissue; eg. striae
Lichenification
thickened tightly packed sets of papules from prolonged scratching; eg. eczema
Keloid
hypertrophic scar, elevated
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