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34 Cards in this Set

  • Front
  • Back
systemic Lesion
a lesion widely spread.
primary skin lesions
initial reaction to pathologically altered tissue.
flat lesion
primary skin lesion. Flat, sicolored, circumscribed lesion of any size
elevated lesion
primary skin lesion; can be solid or fluid filled
papule
solid elevated lesion less than 1 cm. in diameter; maybe the same color as the sing or pigmented. example, revus, wart pimple, ringworm psoriasis, eczema.
nodule
solid palpable ciscumscribed lesion larger and deeper than a papule; extends into the dermal area. example benign or malignant tumor
tumor
solid, elevated lesion larger than 2cm. in diameter that extends itno the dermal and subcutaneous layers. examples: lipoma, steatoma, dematofibroma hemangioma.
wheal
elevated, firm rounded lesion with localized skin edema that varies in size, shape, and color; paler int he center than its surrounding edges; accompanied by itching. examples hives, insect bites, urticaria.
vesicle
elevated, circumscribed fluid-filled lesion less than .5cm in diameter. examples: poison ivy, shingles, chickenpox.
pustule
small, raised, circumscribed lession that contains pus, usually less than 1 cm in diameter. examples: acne, furuncle, pustular psoriasis, scabies.
bulla
a vesicle or blister larger than 1 cm in diameter. examples: second -degree burns, severe poison oak, poison ivy
secondary skin lesion
are changes that take place int he primary lesion due to infection, scratching, trauma, or various stages of a disease.
depressed lesions
caused by loss of skin surface. excoriations, fissure, ulcer.
excoriations
linear marks or traumatized abrasions of the epidermis. examples: scratches, abrasions, chemical or thermal burns
fissure
small slit or crack-like sore that extends into the dermal layer, could be caused by continous inflammation and drying
ulcer
an open sore or lesion that extends to the dermis and usually heals with scarring. example: pressure sore, basal cell carcinoma
burns with systemic effect
are life threatening and may include dehydratation, shock and infection
first degree (superficial) burns
the least serius type, injure only the top layers of the sking, epidermis. injure is restricted to local effects such as erythema, hyperthesia ( acute sensitivity to touch heat or cold)
second degree (partial-thickness) burns
damage the epidermis and part of the dermis. symtoms same as first-degree but fluid-filled blisters - vsicles or bullae- form and the burn may heal with little or no scarring
third degree (full thickness) burns
the epidermis and dermis are destroyed and some of the underlying connective tissue is damaged, leafing the skin waxy and charred with insensitivity to touch. the underlying muscles, bones and tendons may also be damaged. ulcerating wounds develop and the body attemos to heal itself fy forming scar tissue.
dermatoplasty
use of skin grafts is commonly required to protect the uderlying tissue and assit in recovery of third degree burns
Neoplasms
abnormal growths of new benign or malignant tissue
tumor-node-metastasis TNM
T=size and invasivenes of the primary tumor.
N= area lymph nodes involved.
M=invasiveness (metastasis) of the primary tumor.
Basal cell carcinoma
most common. is a malignancy of the basal layer of the epidermis, or hair follicles. cause by overexposure to sunlight.locally invasive rarely metastasize.
squamous cell carcinoma
aries from skin that undergoes pathological hardening of the epidermal cells ( Keratinizing)
malignant melanoma
malignant grow of melanocytes. highly metastatic with higher mortality rate. Dx by bx along with histological examination
antifungal
alter the cell wall of fungi or disrupt enzyme activity to kill the cell. Use to treat tinea (ringwarm) corporis, tinea pedis, anychomycosis (fungal infection of the nail)
antihistamines
inhibit allergic reactions of inflammation, redness, and itching. As a group they are call antipruritics ( pruritic-itching)
antiparasitics
kills insect parasites, such as mites and lice. use to treat scabies (mites) and pediulosis (lice)
antiseptics
inhibit growth of bacteria, thus preventing infections in cuts, scratches, and surfical incisions
corticosteroids
decrease inflammation and itching by suppressing the immune system's inflammatory response to tissue damage. Eczema, contact dermatitis, poison ivy insect bytes, psoriasis, seborrhea
keratolytics
destroy and soften the outer layer of skin so that it is sloughed off or shed. eczema, psoriasisseborrheic dermatitis and other scaly conditions. strong - remove warts and corns and aid in penetration of antifungal drugs.
protectives
cover, coo,l dry or soothe inflamed sking; do not penetrate the skin or soften it. they allow the natural healing process to ocur by forming a long lasting film.
topical anesthetics
block sensation of pain by numbing the skin layers and mucous membranes