According to incomplete statistics, there are more than 1 million colorectal cancer patients worldwide, accounting for about 30% in China. Gastroenterologists clearly pointed out that if you want to screen for colorectal cancer, the only effective method is to colonoscopy . , especially middle-aged and elderly people over 40, the probability of colorectal cancer is getting higher and higher. So after you are 40 years old, it is best to do colonoscopy as soon as possible.
Because colonoscopy is an invasive examination, it is difficult for many people to accept, and they will be afraid of colonoscopy.
01
colonoscopy is so important, why are many people reluctant to do it?
1, fear of colonoscopy
Colonoscopy may cause abdominal pain, bloating, anal pain and other uncomfortable symptoms. In fact, you don’t have to worry. Medical technology has made great progress now. Many hospitals have already had painless colonoscopy. can complete colonoscopy without any feeling, and there is no big discomfort after doing it.
2, does not have has the concept of early screening
In normal times, many people do not have the concept of early screening and feel that they are not uncomfortable or sick. Why do they need to undergo colonoscopy screening? However, there are no symptoms in the early stage of colorectal cancer. When you go to the hospital for examination after symptoms, the examination results are often unsatisfactory. Most people in are already in the late stage, so everyone must do screening in advance and kill the disease in the cradle as soon as possible.
02
How long can the colonoscopy last? See how the doctor answers
The incidence of colorectal cancer is getting higher and higher nowadays. In fact, this cancer can be prevented. It takes about 5 to 10 years to go from intestinal polyps to colorectal cancer.
So how long is the validity period for a colonoscopy? First, we must analyze according to the specific situation. If the colonoscopy of is not abnormal, the validity period is 5 years , so there is no need to continue doing it within 5 years.
However, for patients with abnormal results, the validity period is also different in different situations. If has only polyps in the intestine, it is recommended to do it again within 2 to 3 years.
If there is tubular adenoma in the intestine, then you need to have colonoscopy every year, because there is a possibility of lesions in the current limit.
If the patient has severe tubular adenoma in , it is best to have a 6-month follow-up and perform biopsy to prevent cancer.
Of course, the validity period of colonoscopy will also vary depending on age. The validity period of colonoscopy in people before the age of 45 may be 5 to 10 years. The older the age, the shorter the validity period.
03
Under what circumstances must colonoscopy be performed?
1, people with anorectal symptoms for more than two weeks
If finds that the shape of the stool has changed during defecation , such as the increase in the number of defecations, the stool becomes thinner, and pus, bloody stool , etc., you must have a colonoscopy as early as possible.
2,
0 in recent years, the incidence of intestinal cancer has shown a trend of younger age. The incidence of is about over 40 years old, especially the older the age, the higher the prevalence, so you need to undergo colonoscopy screening regularly after 40 years old.
3, People with bad living habits
Nowadays, most people’s life and eating habits are not very healthy. often overeat, staying up late to drink and smoke, etc., these bad habits can easily increase the risk of developing bowel cancer. Therefore, for people who usually have this type of bad habit, it is best to go to the hospital for colonoscopy regularly.
4, patients with familial adenomatous polyposis and colorectal cancer
For people with family genetic tendencies, may develop intestinal polyps after the age of 20, and intestinal lesions may occur between the age of 40 and 50, must undergo regular colonoscopy screening.
04
What should I pay attention to when doing colonoscopy?
Psychological preparation before the examination
Before colonoscopy, everyone must first eliminate the fear of colonoscopy. Although some discomfort may occur during the examination, this examination is actually very simple and can be ended in a while.
Diet preparation before the examination
A few days before the colonoscopy, everyone should eat some low-fiber foods , such as non-cereal foods, dried fruits, fresh fruits and vegetables.
Intestinal preparation before examination
The afternoon before the examination, the doctor will prescribe intestinal clearing agent to the patient, and everyone must take it correctly as directed by the doctor.
