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What is it? Overview Usage Side Effects and Warnings

Biopsy Overview

Written by FoundHealth.


A biopsy is the removal of a sample of tissue or cells. A pathologist examines the sample under a microscope.

A biopsy may be taken from any part of the body.

What to Expect

Prior to Procedure

Talk to your doctor about your medicines. You may be asked to stop taking some medicines up to one week before the procedure, like:

If you will be having general anesthesia, avoid eating or drinking after midnight.


The type used depends on what you are having biopsied:

  • General anesthesia —blocks pain and keeps you asleep through the procedure; given through an IV in your hand or arm
  • Local anesthesia—just the area that is being operated on is numbed; given as an injection

Description of the Procedure

For a simple biopsy, the area will be cleaned. A numbing medicine will be injected into the area so that you will not feel pain. A piece of tissue or skin will then be removed. The opening will be closed.

Stereotactic Biopsy
Stereotactic Biopsy
© 2009 Nucleus Medical Media, Inc.

The procedure that your doctor uses depends on the type of biopsy that you are having. For example:

  • Needle biopsy—cells are removed using a thin needle
  • Aspiration biopsy—cells are drawn out with a hollow needle that uses suction
  • Core needle biopsy—a sample of tissue is removed using a hollow “core” needle that has a special cutting edge
  • Vacuum-assisted biopsy—a number of samples of tissue are taken using a special rotating probe device
  • Endoscopic biopsy—abnormality is viewed with a long, thin tube that has a lighted camera on one end (called an endoscope); a tool is passed through the tube to take the biopsy sample
  • Incisional biopsy—a portion of a mass is removed by cutting it out
  • Excisional biopsy—a mass is completely removed (eg, breast lump)
  • Punch biopsy —a core of skin is removed with a special biopsy tool
  • Skin biopsy —a small piece of skin is cut off with a scalpel
  • Shave biopsy—top layers of skin are shaved off with a special blade
  • Bone marrow biopsy —a long needle is inserted into the bone marrow to collect cells

Bone Marrow Biopsy
Bone Marrow Biopsy
© 2009 Nucleus Medical Media, Inc.

How Long Will It Take?

A simple biopsy usually takes a few minutes. A biopsy involving surgery takes longer.

How Much Will It Hurt?

You will have pain in the area where the sample was removed. Your doctor may give you pain medicine.

Average Hospital Stay

If you have a simple biopsy, you will be able to go home. If your biopsy involved surgery, you may need to stay in the hospital for 1-2 days.

Post-procedure Care

Be sure to follow your doctor's instructions .

  • Take pain medicine as directed by your doctor.
  • To relieve discomfort, apply a warm compress or a heating pad to the area.
  • Ask your doctor when you should change the bandages.
  • If you have stitches, have them removed in about a week.



American Cancer Society

National Library of Medicine


BC Cancer Agency

Health Canada


Biopsy. Radiology Info website. Available at: . Accessed July 24, 2009.

Biopsy procedures used to diagnose cancer. Mayo Clinic website. Available at: . Updated April 2009. Accessed July 24, 2009.

Diagnosis. National Cancer Institute website. Available at: . Accessed July 24, 2009.

Schoonjans JM, Brem RF. Fourteen-gauge ultrasonographically guided core-needle biopsy of breast masses. J Ultrasound Med. 2001;20:967-972.



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