Dermatology Terminology Flashcards
Macule
Circumscribed change in skin color that is flush with the surrounding skin. Lesion is
Patch
Circumscribed change in skin color that is flush with the surrounding skin. Lesion is ≥1.0 cm in diameter;
Café au lait spot
Vitiligo
Papule
A solid or cystic elevation
Nodule
A solid or cystic elevation >1.0 cm but
Tumor
A solid or cystic elevation >2.0 cm in diameter;
Follicular cyst
Plaque
An elevated lesion that is >1.0 cm in diameter;
Psoriasis
Scale
Desiccated, thin plates of cornified epidermal cells that form flakes on the skin surface;
Ichthyosis
Wheal
Circumscribed, flat-topped, firm elevation of skin with a well-demarcated and palpable margin;
Urticaria
Vesicle
Circumscribed, elevated lesion containing clear serous or hemorrhagic fluid that is
Bulla
Circumscribed, elevated lesion containing clear serous or hemorrhagic fluid that is >1 cm in diameter;
Bullous pemphigoid
Pustule
A vesicle containing purulent exudate;
Folliculitis
Atrophy
A depression from the surface of the skin with underlying loss of epidermal or dermal substance;
Lichen sclerosis et atrophicus
Erosion
A depression from the surface of the skin with a loss of all or part of the epidermis;
Burn
Can be a secondary lesion;
Ruptured bulla
Ulceration
A depression from the surface of the skin with a loss of the entire epidermis and at least some of the dermis;
Ecthyma
Lichenification
secondary skin lesion
Dry, leathery thickening of the skin with exaggerated skin markings;
Chronic eczema
Scar
secondary skin lesion
An elevated or depressed area of fibrosis of the dermis or subcutaneous tissue resulting from an antecedent destructive process;
Healing wound
Fissure
secondary skin lesion
A deep linear split in the skin extending through the epidermis;
Traumatized eczema
Crust
secondary skin lesion
Dried exudates of serum, blood, sebum, or purulent material on the surface of the skin;
Acute and/or secondarily infected eczema
Skin chronically exposed to sunlight (face, neck, hands, arms)
Actinic keratosis,
basal cell carcinoma,
squamous cell carcinoma
Central chest, shoulders, and earlobes
Keloids
Extensor arms and legs, intragluteal cleft, umbilicus
Psoriasis
Antecubital fossa, popliteal fossa
Atopic dermatitis
Anterior surface of lower legs
Palpable purpura,
pretibial myxedema,
necrobiosis lipoidica diabeticorum,
erythema nodosum
Axilla and inguinal areas
Hidradenitis suppurativa
