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A circulating tumor cell (CTC) is a cancer cell from a primary tumor that has shed into the blood of the circulatory system, or the lymph of the lymphatic system. [1] CTCs are carried around the body to other organs where they may leave the circulation and become the seeds for the subsequent growth of secondary tumors .
The word leukemia, which means 'white blood', is derived from the characteristic high white blood cell count that presents in most affected people before treatment. The high number of white blood cells is apparent when a blood sample is viewed under a microscope, with the extra white blood cells frequently being immature or dysfunctional. The ...
Cancer cells are cells that divide continually, forming solid tumors or flooding the blood or lymph with abnormal cells. Cell division is a normal process used by the body for growth and repair. A parent cell divides to form two daughter cells, and these daughter cells are used to build new tissue or to replace cells that have died because of ...
As more young people are diagnosed with breast cancer, they worry about returning stage 4, metastatic breast cancer. Experts share emerging research, what's known.
Cancers are caused by a series of mutations. Each mutation alters the behavior of the cell somewhat. Cancer is fundamentally a disease of tissue growth regulation. For a normal cell to transform into a cancer cell, the genes that regulate cell growth and differentiation must be altered. [98] The affected genes are divided into two broad categories.
A Dread Disease: Cancer in Modern American Culture (1987) Review of this book. Rather, L. J. The genesis of cancer : a study in the history of ideas (1978), theories about the disease down to 1890s. online; Sudhakar, Akulapalli. "History of cancer, ancient and modern treatment methods." Cancer Science & Therapy 1.02 (2009) online