tailieunhanh - Báo cáo y học: "My worries are no longer behind me"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: My worries are no longer behind me. | Comment My worries are no longer behind me Gregory A Petsko Address Rosenstiel Basic Medical Sciences Research Center Brandeis University Waltham MA 02454-9110 USA. Email petsko@ Published 3 September 2007 Genome Biology 2007 8 109 doi gb-2007-8-8-l09 The electronic version of this article is the complete one and can be found online at http 2007 8 8 109 2007 BioMed Central Ltd First they make you drink something that tastes like slime -or British beer. Then you spend the majority of your day in the smallest room in your house. Then they stick a tube into you in a place normally discussed only in scatological humor. And after it s over you spend the rest of the day producing as much natural gas as Kazakhstan. I ve had more fun at faculty meetings. I had my first colonoscopy last month at age 59. I should have had it nine years ago. In the US as in Europe about 4 of the population will eventually be diagnosed with colon cancer. In the United States alone the disease accounts for 14 of all deaths from cancer making it the second most common cause of cancer death. The average age of onset is 64. Like many other diseases the majority of cases of colon cancer are sporadic but a familial form hereditary nonpolyposis colorectal cancer HNPCC is responsible for approximately 2-7 of the 160 000 cases of colorectal cancer that are diagnosed annually in the US. Colon cancer is a solid cancerous growth that begins on the inner surface of the colon or rectum. Virtually all colon cancer develops from mushroom-like growths called adenomatous polyps that form on the inside wall of the colon. These polyps vary in size but the larger a polyp is the greater the likelihood that it will become cancerous. For the most part it takes years for a polyp to become cancerous and in fact most polyps never turn malignant. About one in four people develop adenomatous polyps by the age of 50 even though most of them will never develop colon cancer. Individuals