Fine
Fine Needle Aspiration (FNA)
Fine Needle Aspiration (FNA), pronounced as /faɪn niːdəl æspɪˈreɪʃən/, is a diagnostic procedure used to investigate lumps or masses. In this technique, a thin, hollow needle is inserted into the mass for sampling of cells that, after being stained, will be examined under a microscope.
Etymology
The term "Fine Needle Aspiration" is derived from the English language. "Fine" refers to the thinness of the needle used, "Needle" is the instrument used to extract cells, and "Aspiration" refers to the act of drawing out by suction.
Procedure
The procedure of Fine Needle Aspiration involves the following steps:
- The area around the lump or mass is cleaned and numbed with a local anesthetic.
- A thin, hollow needle is inserted into the lump or mass.
- A syringe is used to draw out fluid and cells from the lump or mass.
- The sample is sent to a lab, where it's stained and examined under a microscope.
Related Terms
- Biopsy: A procedure that involves the extraction of sample cells or tissues for examination to determine the presence or extent of a disease.
- Cytology: The study of cells, including their function, origin, structure, and pathology.
- Histology: The study of the microscopic structure of tissues.
- Pathology: The study of disease, its causes, processes, development, and consequences.
Risks and Complications
Like any medical procedure, Fine Needle Aspiration carries some risks and potential complications. These may include infection, bleeding, and inadequate sample that may lead to inconclusive results.
See Also
External links
- Medical encyclopedia article on Fine
- Wikipedia's article - Fine
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