News tagged with biopsy

Related topics: prostate cancer , breast cancer , patients , lesions , cancer cells

What's the current role of liver biopsy in children?

While noninvasive alternatives are increasingly available, liver biopsy still provides essential information in some children with liver disease, according to a new position paper in the Journal of Pediatric Gastroenterology ...

Nov 14, 2014
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Low risk prostate cancer not always low risk

More and more men who believe they have low-risk prostate cancers are opting for active surveillance, forgoing treatment and monitoring the cancer closely with prostate-specific antigen (PSA) tests, digital rectal exams and ...

May 19, 2014
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Genes identify transplant rejection

Acute rejection after kidney transplantation occurs in about 15%–20% of patients despite immunosuppressive therapy. Rejection is usually heralded by an increase in the patient's serum creatinine (a marker of kidney function), ...

Nov 11, 2014
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Early biomarker for pancreatic cancer identified

Researchers at the University of California, San Diego School of Medicine and Moores Cancer Center have identified a new biomarker and therapeutic target for pancreatic cancer, an often-fatal disease for which there is currently ...

May 15, 2012
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Scientists find new gene markers for cancer risk

A huge international effort involving more than 100 institutions and genetic tests on 200,000 people has uncovered dozens of signposts in DNA that can help reveal further a person's risk for breast, ovarian ...

Mar 27, 2013
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Biopsy

A biopsy is a medical test involving the removal of cells or tissues for examination. It is the removal of tissue from a living subject 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. When only a sample of tissue is removed with preservation of the histological architecture of the tissue’s cells, the procedure is called an incisional biopsy or core biopsy. 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.

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