A biopsy is a procedure where a small sample of tissue is removed from the body for examination under a microscope. There are several types of biopsies:
Needle Biopsy: A needle is used to extract tissue or fluid. Common types include fine-needle aspiration and core needle biopsy. Surgical Biopsy: Involves making an incision to remove a part or whole tumor. Used when needle biopsy is not possible. Endoscopic Biopsy: Uses an endoscope to take tissue samples from internal organs. Often used for gastrointestinal and respiratory tract cancers.
