Excisional biopsy | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-05-02

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Biopsy


00:00:58 1 History
00:01:21 1.1 Etymology
00:01:45 2 Medical use
00:01:55 2.1 Cancer
00:03:53 2.2 Liquid biopsy
00:07:30 2.3 Precancerous conditions
00:07:57 2.4 Inflammatory conditions
00:09:41 3 Biopsied sites
00:09:50 4 Analysis of biopsied material
00:11:02 5 See also



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SUMMARY
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A biopsy is a medical test commonly performed by a surgeon, interventional radiologist, or an interventional cardiologist involving extraction of sample cells or tissues for examination to determine the presence or extent of a disease. The tissue is generally examined under a microscope by a pathologist, and can also be analyzed chemically. When an entire lump or suspicious area is removed, the procedure is called an excisional biopsy.  An incisional biopsy or core biopsy samples a portion of the abnormal tissue without attempting to remove the entire lesion or tumor. When a sample of tissue or fluid is removed with a needle in such a way that cells are removed without preserving the histological architecture of the tissue cells, the procedure is called a needle aspiration biopsy. Biopsies are most commonly performed for insight into possible cancerous and inflammatory conditions.