Biopsy: Purpose, Types, and Risks

A biopsy is a process of taking out cells and tissues to study them under a microscope. You can also get more information about Biopsy types in detail on Geneticist Inc. There are a variety of biopsies. 

  • Incisional Biopsy or Core Biopsy: This method removes a very small amount of tissue.

  • Needle biopsy, biopsy, or fine-needle aspiration: An empty hollow needle is used for removing tissue or fluid.

  • Surgery: The surgical removal of a tumor or lesion.


To identify suspicious areas, a biopsy can be performed either during a physical exam or using imaging tests. It is not done for medical reasons. Diagnoses of cancer biopsies can be used to diagnose many conditions. 

In some cases, a biopsy of normal tissue can be done to confirm or deny the spread of cancer. A biopsy is used to diagnose the problem and determine the best treatment. These are just some examples of biopsies.

  • Needle biopsy – This type of needle is used to remove suspicious tissue with a hollow needle that is slightly larger than the usual.

  • CT-guided biopsy – This involves a patient lying down on a CT scanner. The scanner takes images that allow doctors to pinpoint the exact position of the needle in the tissue.

  • Bone marrow biopsies – Large needle for diagnosing blood diseases like lymphoma or leukemia. A needle is used to collect bone marrow. It is inserted into the pelvis bones.

  • Liver biopsy –  This procedure involves removing small amounts of liver tissue. The needle is then inserted through the skin on the abdomen.

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