diseases and conditions

abscess

localized collection of pus at infection site (furuncle when from hair follicle, group is carbuncle)

comedo

small skin lesion caused by plugged sebaceous duct and seen in acne (whiteheads or blackheads)

dermatomycosis

fungal skin infection

cellulitis

widespread, acute, skin and subcutaneous infection

ecchymosis

bruise

eczema (atopic dermatitis)

chronic inflammatory skin condition, characterized by vesicles, pustules, erythema, papules, scales, crusts, scabs with intense itching

eschar

dead matter that falls off skin surface, especially after a burn

impetigo

bacterial skin infection with pustules that rupture

pallor

unnatural paleness

pediculosis

lice

tinea (ringworm)

fungal skin infection, name usually indicates body part: tinea pedis (athlete’s foot)

pressure ulcer (decubitus ulcer)

inflammation, sore, or skin deterioration caused by prolonged pressure in one position, common in elderly or bedridden

psoriasis

chronic skin disease; red patches, thick, dry, silvery scales, excessive basal layer production

urticaria

allergic reaction characterized by eruption of pale red patches (wheals or hives)

erythema

skin redness caused by capillary swelling

keratosis

thickened area of epidermis or horny growth on skin (callus or wart)

acne

sebaceous glands and hair follicles of skin inflamed

purpura

bleeding disorder with hemorrhage into tissue, particularly beneath skin or mucous membrane producing ecchymosis

petechia

tiny hemorrhage under skin

verruca

epidermal growth caused by virus, can be removed but can regrow if virus is still present (warts)

vitiligo

localized loss of skin pigmentation

scabies

contagious disease from itch mite

chloasma

hyperpigmentation of skin, yellowish/brown patches

lentigo

small brown macules, usually by sun exposure

Bowen Disease

very early form of skin cancer, easily curable, red and scaly, (squamous cell carcinoma in situ)

pruritis

intense itching