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BREAKING NEWS
  Oct 12, 2018

Skin Cancer Pathology

Cancer pathology

The body is composed of trillions of cells. These normal cells grow, mature, function and divide into new cells and eventually die off in a tightly regulated system. During the early years of a person’s life the normal cells divide faster to allow the person to grow. Once adulthood is reached the cells divide only when they need to replace worn-out or dying cells or to repair injuries.

The growth and death of cells is regulated by the DNA present in the nucleus of the cells. The DNA essentially provides a blueprint that guides the cell in each of its functions.

Cancer begins when cells in a part of the body grow without control. When the DNA is damaged, it can repair itself by several mechanisms. When repair fails, the cell normally kills itself in a process called apoptosis. Sometimes neither of these protective forces work and the rogue cell continues to grow and multiply without dying. It passes its faulty DNA to the newly formed cells as well. Cancer cells can also invade into other tissues, something that normal cells cannot do. A Damaged DNA may also be inherited from parents.

Sometimes the cause of the DNA damage is obvious like exposure to sun’s UV rays, or exposure to radiation, e