With cancer, it's not necessarily where it starts but how it starts

Friday, 13 October 2017, 05:26:16 PM. Scientists now say that a cancer’s specific genetic or biological profile may have more in common with a cancer that started in another organ than with a cancer from the same organ.
Ever since 1761, when the Italian physician Giovanni Battista Morgagni published his detailed findings from 700 autopsies, cancers have been inextricably linked with the organs they inhabit. Over the next 250 years, physicians would learn that even after a tumor had been fully excised from one organ, some remnant of the malignancy could spread to other organs through fluids like blood and lymph. With the advent of microscopes in the late 19th century, they would begin to appreciate tumors’ commonalities and differences in cellular detail. And with the decoding of the human genome, they would begin to discern the roles that DNA mutations play in helping cancers begin, grow and spread. Through it all, doctors have organized their notions of cancer according to that fundamental principle of real estate: location, location, location. Oncologists often specialize in treating cancer in one organ, to the exclusion of all others. Treatment regimens for one type of cancer (thyroid, say) seldom resemble those of another (such as bone). But that centuries-old view of cancer is changing. Karen Ravn Cancer screening could save your life. Then again, it could give you a false alarm or lull you into a false sense of security. Here's a round-up of the latest advice from the experts. Cancer screening could save your life. Then again, it could give you a false alarm or lull you into a false sense of security. Here's a round-up of the latest advice from the experts. (Karen Ravn) As scientists...Read more
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