News tagged with malignancy

Related topics: cancer · breast cancer · prostate cancer · cancer cells · carcinoma

Cancer's relentless evolution

All living things—from dandelions to reindeer—evolve over time. Cancer cells are no exception, and are subject to the two overarching mechanisms described by Charles Darwin: chance mutation and natural selection.

Apr 02, 2015
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Stem cells lurking in tumors can resist treatment

Scientists are eager to make use of stem cells' extraordinary power to transform into nearly any kind of cell, but that ability also is cause for concern in cancer treatment. Malignant tumors contain stem cells, prompting ...

Mar 12, 2015
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Suppressing a protein reduces cancer spread in mice

Scientists have found that decreasing the levels of or blocking a specific protein commonly found in humans and many other animals allowed them to slow the spread of two different kinds of cancer to the lungs of mice. The ...

Dec 22, 2014
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Malignancy (from the Latin roots mal- = "bad" and -genus = "born") is the tendency of a medical condition, especially tumors to become progressively worse and to potentially result in death. It is characterized by the properties of anaplasia, invasiveness, and metastasis. Malignant is a corresponding adjectival medical term used to describe a severe and progressively worsening disease. The term is most familiar as a description of cancer. A malignant tumor may be contrasted with a non-cancerous benign tumor in that a malignancy is not self-limited in its growth, is capable of invading into adjacent tissues, and may be capable of spreading to distant tissues (metastasizing), while a benign tumor has none of those properties. Malignant tumor is synonymous with cancer. Uses of "malignant" in oncology:

Non-oncologic disorders referred to as "malignant":

This text uses material from Wikipedia, licensed under CC BY-SA

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