Skin Lesions
Cards (21)
- Primary Skin Lesions are abnormalities present from birth or develop later in life.
- Macule is a flat, unelevated change in color, 1 mm - 1 cm in size.
- Papule is a circumscribed, solid elevation of skin, less than 1 cm in size.
- Plaque is a larger than 1 cm change in skin, including psoriasis and rubeola.
- Nodule is an elevated, solid, hard mass deep in the dermis than papule, 0.5 - 2 cm in size.
- Pustule is a vesicle or bulla filled with pus, including acne vulgaris and impetigo.
- Cyst is an encapsulated, fluid-filled lesion, including sebaceous and epidermoid cysts.
- Wheal is a reddened collection of enema fluid. examples are hives and mosquito bites
- Patch is a flat, unelevated change in color of skin, larger than 1 cm
- Tumor is an elevated, solid, hard mass deeper in the dermis than papule, larger than 2 cm. example is fibroma or squamous cell carcinoma
- Vesicle is a circumscribed, round or oval, thin mass with fluid or blood, less than 0.5 cm
- Bulla is a circumscribed, round or oval, thin mass with fluid or blood, larger than 0.5 cm
- Atrophy is a dry, wrinkled skin from thinning or wasting of skin, loss of collagen & elastin.
- Erosion is the wearing away of the epidermis, often seen as scratch marks or raptured epidermis.
- Lichenification is a rough, thickened, hardened area from chronic irritation, often seen in chronic dermatitis.
- Ulcer is a deep, irregularly shaped area of skin extending into the dermis or subcutaneous tissue, often seen as a pressure ulcer or stasis alcer.
- Fissure is a linear crack with sharp edges, extending in the dermis, often seen as cracks at mouth corners or hands.
- Scar is a flat, irregular area after a lesion or wound has healed, often seen as a healed surgical wound or injury, or healed ache.
- Scales are shedding flakes of greasy, keratinized skin tissue, often seen in dry skin, dandruff, psoriasis, or eczema.
- Crust is dry blood, serum or pus left when vesicles or pustules burst.
- Scabs are large crusts that adhere to the skin surface, often seen in eczema, impetigo, herpes, or scabs.