EVERYDAY SCIENCE

Detailed explanation-1: -The main advantages of FNA are that the skin doesn’t have to be cut, and in some cases it’s possible to make a diagnosis the same day. The disadvantage is that sometimes this needle can’t remove enough tissue for a definite diagnosis.

Detailed explanation-2: -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.

Detailed explanation-3: -Excisional or incisional biopsy. This type of biopsy is often used when a wider or deeper portion of the tissue is needed. Using a scalpel (surgical knife), a full thickness of skin or all or part of a large tumor may be removed for further examination.

Detailed explanation-4: -Needle biopsy procedures include: Fine-needle aspiration. During fine-needle aspiration, a long, thin needle is inserted into the suspicious area. A syringe is used to draw out fluid and cells for analysis.

Detailed explanation-5: -Fine-needle aspiration. This type of needle biopsy uses a thin, hollow needle to draw cells from your body. Core needle biopsy. This type of needle biopsy uses a wider needle than does fine-needle aspiration. 20-Aug-2022