Breast Biopsy: How To Prepare

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How To Prepare

Tell your doctor if you:

• Are taking any medicines.
• Are allergic to any medicines, including anesthetics.
• Are allergic to latex.
• Have any bleeding problems or take blood thinners, such as aspirin, heparin, warfarin (Coumadin), enoxaparin sodium (Lovenox), or clopidogrel bisulfate (Plavix).
• Are or might be pregnant.

You will be asked to sign a consent form. Talk to your doctor about any concerns you have regarding the need for the biopsy, its risks, how it will be done, or what the results will indicate. To help you understand the importance of the biopsy, fill out the medical test information form (What is a PDF document?) .

If you take a blood thinner, you will probably need to stop taking it for a week before the biopsy.

If a breast biopsy is to be done under local anesthesia, you do not need to do anything else to prepare for the biopsy.

If the biopsy is to be done under general anesthesia, do not eat or drink anything for 8 to 12 hours before the biopsy. An intravenous line (IV) is put in your arm, and a sedative medication is given about an hour before the biopsy. Arrange for someone to drive you home if you have general anesthesia or are given a sedative.

Other tests, such as blood tests, may be done before your breast biopsy.

Last updated:	May 01, 2007
Author:	Maria G. Essig, MS, ELS
Reviewed By:	Anne C. Poinier, MD - Internal Medicine, Brent Shoji, MD - General Surgery
Editors:	Susan Van Houten, RN, BSN, MBA, Tracy Landauer