diagnostic and therapeutic procedures (Ch. 5)

19 terms by bmank

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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

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