2023-06-19 02:53:16
Text, pictures / Changchun Monthly
Mr. Wu, who is over 50 years old, has noticed occasional bleeding in the stool since last year, but after a colonoscopy last year, the results showed that hemorrhoids were indeed present, and no colorectal cancer lesions or colorectal polyps were found. However, the problem of hemorrhoids has obviously been treated, so why do I still have intermittent bloody stools? Therefore, he went to the doctor for examination and found a tumor lesion of about 2 cm in the sigmoid colon with mucosal ulceration. The doctor performed a biopsy for him, and the pathological test report confirmed that he was suffering from colorectal cancer. He was subsequently referred to the rectal surgery for surgical treatment. Diagnosed as stage II colorectal cancer.
Figure / Changchun Monthly
Don’t ignore these links that affect the colonoscopy examination
For such a situation, Liang Chengchao, vice president of the Health Management Hospital, pointed out that there are several important factors that affect the integrity of the colonoscopy examination, including: whether a low-residue diet is strictly implemented before the examination, whether the bowel cleansing is clean, whether the scope of the examination is the entire large intestine, Failure to reach the deepest part of the cecum and whether polyps are found will affect the accuracy of the examination and whether regular follow-up recommendations are required in the future.
It takes 5 years for adenomatous polyps to turn into cancer with early detection and high prognosis
Taking the case of Mr. Wu as an example, Dr. Liang Chengchao said that since colorectal cancer is a cancer that progresses very slowly, the process from adenomatous polyps to colorectal cancer takes about 5-10 years, and it is unlikely that it only takes one year. It developed into the second stage of colorectal cancer. The absence of colorectal cancer lesions in the previous examination may be due to the fact that the bowel was not clean enough to cause blind spots in the examination, or the tumor was located in some corners of the intestinal tract that were easily overlooked. Colorectal cancer usually has a high prognosis and survival rate as long as it is detected early. The five-year survival rate of the first stage can be as high as 95%, and the five-year survival rate of the second and third stages is about 80% and 65%, respectively. In the fourth period, it is greatly reduced to about 10-20%.
Figure / Changchun Monthly
Early asymptomatic high-risk groups should be checked regularly
Liang Chengchao reminded that the manifestations of colorectal cancer are not only symptoms of bloody stools, even the early manifestations of colorectal cancer can be said to be almost completely asymptomatic! Colorectal cancer has ranked first in the incidence of cancer in China for 15 consecutive years. It is recommended that all people over the age of 50 should undergo a fecal occult blood test every two years. If the test is positive, they must undergo further colonoscopy.
If you are under the age of 50 and are at high risk of colorectal cancer (obese people with a BMI>27, family history of colorectal cancer, smoking, drinking, or those who prefer to eat red meat or high-calorie food), even if you don’t have any symptoms, it’s best It is better to arrange the first colonoscopy examination for yourself in advance, and follow up with the doctor’s follow-up inspection recommendations to do regular inspection and follow-up, so as to prevent the health hazards of colorectal cancer more completely.
The article is authorized to be reproduced from “ever spring monthly》No. 1 in incidence rate in Taiwan!Beware of “5 Factors” Affecting the Accuracy of Colonoscopy Examination
【Extended reading】
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