The accuracy of colonoscopy in detecting colorectal cancer

Many people have a poor appetite in summer, and many people think it is because of the hot weather. In fact, this is a precursor to rectal cancer, which is a reminder for you to pay attention. Many people did not go to the hospital for examination in time in the early stage, and then delayed the disease. Even if they had surgery, the effect was not so good. Therefore, everyone should do colonoscopy regularly to detect some diseases early.

At present, the incidence and mortality of colorectal cancer in my country are both ranked second among cancers, and more than 60% of colorectal cancers are rectal cancers. The editor learned from experts that 80% of rectal cancers are misdiagnosed as hemorrhoids, dysentery, etc. Some patients were misdiagnosed and treated incorrectly for more than half a year before being discovered, delaying the disease. Experts remind that people over 40 years old are best to have regular colonoscopy examinations.

Low intake of crude fiber increases the incidence of

According to experts on colorectal cancer, the incidence and mortality of colorectal cancer in China have been on the rise in recent years. In the 1970s, the mortality rate was 3.54 per 100,000 people, and in 2005 it was 4.54. The incidence rate in men is higher than that in women. According to the latest statistics, the number of new cases of colorectal cancer in my country is about 130,000 to 160,000 per year, and the number of deaths is about 60,000 to 90,000. It mostly occurs in large and medium-sized cities, and ranks second only to gastric cancer among digestive tract tumors.

Unlike many diseases that tend to occur at younger ages, colorectal cancer is becoming more and more common: the median age used to be 45, but is now 55. The peak age of onset has risen from the 40s and 50s to the 60s and 70s.