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19 terms

diagnostic and therapeutic procedures (Ch. 5)

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skin test
any test in which a suspected allergen or sensitivity is applied to or injected into the skin to determined the patient's sensitivity to it
intradermal
skin test that identifies suspected allergens by subcutaneously injecting small amounts of extracts of the suspected allergens and observing the skin for a subsequent reaction
patch
skin test that identifies suspected allergens by topical application of the substance to be tested
scratch
skin test that identifies suspected allergens by placing a small quantitiy of the suspected allergen on a lightly scratched area of the skin
biopsy
representive tissue sample removed from the body site for microscopic examination
needle
removal of a small tissue sample for examination using a hollow needle, usually attatched to a syringe
punch
removal of a small core of tissue using a hollow punch
shave
removal of surgical blade is used to remove elevated lesions
frozen section
ultra thin slice of tissue from a frozen specimen for immidiate pathological examination
chemical peel
chemical removal of the outer layers of skin to treat acne scarrign and general keratoses
debridement
removal of necrotized tissue from a wound by surgical excision, enzymes, or chemical agents
dermabrasion
rubbing using wire brushes or sandpaper to mechanically scrape away the epidermis
fulguration
tissue destruction by means of high-frequency electric current
cryosurgery
use of subfreezing temperature to destroy or eliminate abnormal tissue
skin graft
surgical procedure to transplant healthy skin by applying it to an injured site
allograft
transplantation of healthy tissue from one person
autograft
transplantation of healthy tissue from one site to another in the same individual
synthetic
transplantation of artficail skin production from collagen fibers arranged in a lattice pattern
xenograft
transplantation from a foreign donor and transferred to a human