AP BIOLOGY

Detailed explanation-1: -A surgical procedure in which a cut is made through the skin to remove an entire lump or suspicious area so it can be checked under a microscope for signs of disease.

Detailed explanation-2: -Excisional or incisional biopsy In this type of biopsy, a surgeon cuts through the skin to remove the entire tumor (called an excisional biopsy) or a small part of a large tumor (called an incisional biopsy).

Detailed explanation-3: -Excisional and incisional biopsies To examine a tumor that may have grown into deeper layers of the skin, the doctor may use an excisional (or less often, an incisional) biopsy. An excisional biopsy removes the entire tumor. An incisional biopsy removes only a portion of the tumor.

Detailed explanation-4: -The two types of surgical biopsy are incisional biopsy, in which part of a lump or a sample of tissue is removed, and excisional biopsy, in which an entire lump or suspicious area is removed. Also called open biopsy.

Detailed explanation-5: -The most common types include: (1) incisional biopsy, in which only a sample of tissue is removed; (2) excisional biopsy, in which an entire lump or suspicious area is removed; and (3) needle biopsy, in which a sample of tissue or fluid is removed with a needle.