a small needle is inserted into the abnormal area in almost any part of the body, guided by imaging techniques, to obtain a tissue biopsy This type of biopsy can provide a diagnosis without surgical intervention An example of this procedure is called the needle breast biopsy
The removal of tissue or fluid with a needle for examination under a microscope Also called fine-needle aspiration
Removing a tiny bit of tissue for diagnosis by placing a needle into a tumor There are two types: Fine Needle Aspiration (also called FNA or needle aspiration) and Core Biopsy FNA uses a thin needle and syringe (like those used to give injections) to pierce the skin and draw up (aspirate) fluid or small tissue gragments from the cyst or tumor A core needle biopsy uses a thicker needle to remove a cylindrical sample of tissue from a tumor