excision meaning
More in Surgery. Excision means to surgically remove. This term is often used in reference to removing a mass, excision means that tissue is removed, using a scalpel, laser or another instrument. Excision refers to completely removing the tissue in question, rather than just a part, as is done in a biopsy. While the term excise is often used to describe a large range of procedures that remove tissue during surgery, the precise use of the term means removing an entire structure using some type of cutting instrument.