FNAs
FNAs, or Fine Needle Aspiration, is a medical diagnostic procedure used to obtain cells or fluid from a suspicious lump or mass. It involves inserting a very thin needle, typically attached to a syringe, into the abnormality. The needle is then moved back and forth slightly to dislodge cells or aspirate fluid. This sample is then sent to a laboratory for examination by a pathologist, who will analyze the cells under a microscope to determine if they are cancerous, benign, or indicative of infection or inflammation.
FNAs are commonly used to investigate lumps in the breast, thyroid, lymph nodes, and salivary glands, as