论文部分内容阅读
上海是我国大肠癌发病率最高的地区,70年代,该地区大肠癌在常见恶性肿瘤中居第6位,而到了80年代,跃居第4位,据预测,将来有可能在常见恶性肿瘤中升居第3位。上海大肠癌发病率迅速上升,促使我们更应加强大肠癌的防治工作。 大肠癌的常见症状 便血 便血是在大便时出血或带血,如果大肠内病变距肛门较近而引起出血,有时肉眼能看到果酱色或鲜红色,这就是显性的出血。如果大肠病变远离肛门侧的盲肠引起的出血,有时需要通过化验的方法才能发现大便中是否含有隐性的出血。对肉眼发现的显性出血,不论是医生,还是
Shanghai is the region with the highest incidence of colorectal cancer in China. In the 1970s, colorectal cancer ranked the 6th among common malignancies, and in the 1980s, it ranked 4th. It is predicted that it may rise in the common malignancy in the future. Ranked third. The rapid increase in the incidence of colorectal cancer in Shanghai prompted us to strengthen the prevention and treatment of colorectal cancer. Common symptoms of colorectal cancer Blood in the stool Blood in the stool is bleeding or blood in the stool, if the lesion in the large intestine close to the anus and cause bleeding, sometimes the naked eye can see the jam color or bright red, which is the dominant bleeding. If the large intestine lesions are bleeding away from the anal side of the cecum, it is sometimes necessary to perform laboratory tests to find out if there is hidden bleeding in the stool. The dominant bleeding found by the naked eye, whether it is a doctor or