Excision - Definition

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Excision, more commonly called "ablation," is a surgical operation that consists of removing an element such as a tumor, foreign body, or even an organ, from an organism. Excision may be necessary following an accident, in which case shards of glass or metal must be removed from wounds caused by traumatism. Excision can be therapeutic, when it removes diseased tissues, organs, or bone pieces. Excision can also describe the withdrawal of articulations by an orthopedic surgeon in order to replace them with artificial joints.