Pictures of mouth cancer

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The field of medicine concerned with the treatment of cancer is oncology. Cancer has become an important problem with the rise in life expectancy, as the abovementioned mutations become more likely the longer a person lives. Though great progress in treatment has been made, most cancers in advanced stages remain incurable and ultimately fatal.

Treatment of cancer typically involves surgery to remove tumors and nearby lymph nodes to which the cancer may have spread, combined with radiation therapy and/or chemotherapy. The latter two target cells in the body that are rapidly dividing. This includes the cancer cells but also certain healthy ones, which is the reason for the severe side effects of these treatments.

For most of the cancers, it cannot be told which event was the initial cause. However, with molecular biology, it is possible to characterize the mutations within a tumor, and to a certain extent predict its behavior. For example, about half of the tumors are deficient in the tumor suppressor gene p53, also known as "the guardian of the genome". This is associated with poor prospects for the patient, since those tumor cells are unlikely to go into apoptosis (programmed cell death) after they are damaged by therapy. There are more mutations that make a tumor more malignant. Telomerase mutations enable a tumor cell to divide indefinitely. Other mutations enable the tumor to grow new blood vessels to feed it, or to detach from the surrounding tissue, spreading to other parts of the body.

The World Against Cancer
A conduit source consisting primarily of multi-lingual search engines.
MyOwnBiopsy
Provides "translations" of cancer pathology reports from medical jargon into understandable lay terms.
CancerEducation
Disseminates educational programming in a multimedia electronic clips format. Aimed at both a lay and professional audience.
Cancer Rates And Risks
Provides international incidence and mortality rates including information about risk factors. From the U.S. National Cancer Institute.
Don't Say That Word
Provides an online forum on cancer, information, personal stories, poetry and remembrance pages. Graphics-intensive.

Pictures of mouth cancer