Action designed to destroy biological tissue: is performed by a tool (cautery) or rendered incandescent by fire (as until recently) or by electricity (electrocautery). Used to stop bleeding, or destroy diseased tissue necrosis. The cautery was practiced even in ancient times (hot irons) in the wounds, in cases of bites of rabid dogs or poisonous snakes, in the treatment of superficial tumors or pedunculated, for the destruction of dermal nodules of lupus, warts. In many cases today is used in cauterization through the cold to destroy tissue is frozen with liquid nitrogen or dry ice (cryotherapy).
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