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Fine Needle Biopsy(FNB)DefinitionA biopsy is done to remove a tissue sample. The sample is then examined for abnormal cells, disease, or infection. In a fine needle biopsy (FNB) fluid and cells are removed using a thin, hollow needle.
Needle Biopsy © 2009 Nucleus Medical Media, Inc. Reasons for ProcedureThis biopsy is used to evaluate organ or tumor tissue. It is also sometimes used to find out how certain treatments are working. Possible ComplicationsComplications are rare but no procedure is completely free of risk. The potential complications will depend on the location of the biopsy. Your doctor will review a list of possible complications which may include:
What to ExpectPrior to ProcedureAsk your doctor if there are any instructions you should follow before the procedure. Depending on the part of the body that the biopsy is being taken from, your doctor may ask you to:
Talk to your doctor about your medicines. You may be asked to stop taking some medicines up to one week before the procedure like:
AnesthesiaLocal anesthesia is often used. It will make the area numb. A sedative may also be used to help you relax. Description of the ProcedureDepending on the biopsy site, an ultrasound, x-rays, or a computed tomography (CT) scan may be used to help guide the needle. You will be positioned for the easiest access to the area for biopsy. The skin will be swabbed with a cleaning solution. The anesthesia will be applied to numb the area. You will be asked to stay still. A thin, hollow needle will then be inserted through the skin to the site. The needle may need to be inserted more than once. Once the needle is in the proper position, tissue or fluid will be withdrawn. You may feel a pinch, pressure, or nothing at all. You may be monitored for bleeding or other complications. The site will be bandaged. How Long Will It Take?
Will It Hurt?How much discomfort you feel depends on the part of the body that is being examined. The anesthesia and sedative will prevent pain. You may feel a pinch or pressure. If you feel pain, tell the doctor right away. After the procedure, the site will be tender. Post-procedure CareBe sure to follow your doctor’s instructions. In general, you should check the insertion site and keep it clean. The sample will be examined by a specialist. The results are usually ready in a few days. Your doctor will talk to you about the results. Call Your DoctorAfter arriving home, contact your doctor if any of the following occurs:
RESOURCES: American Family Physician National Institutes of Health CANADIAN RESOURCES: BC Cancer Agency Canadian Cancer Society References: Fine needle aspiration. American Academy of Otolaryngology—Head and Neck Surgery website. Available at: http://www.aaohns.org . Accessed October 23, 2007. Fine needle aspiration. American Family Physician website. Available at: http://www.aafp.org . Accessed October 23,2007. Preparing for a needle aspiration biopsy. National Institutes of Health (NIH) website. Available at: http://www.cc.nih.gov/ccc/patient_education/pepubs/needle.html . Accessed October 23, 2007. Zaret BL, Jatlow PI, Katz LD. The Yale University School of Medicine Patient’s Guide to Medical Tests . New York: Houghton Mifflin Company; 1997. Last reviewed October 2009 by Jill Landis, MD and Brian P. Randall, MD Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright © 2009 EBSCO Publishing All rights reserved.
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