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What are the surgical treatments for colon cancer?
2023/11/07

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The earliest symptoms of colon cancer are generally not obvious. Later, there may be abdominal distension, discomfort, and indigestion-like symptoms, and then changes in defecation habits may occur, such as increased bowel movements, diarrhea or constipation, and abdominal pain before defecation. When there is mucus or mucopurulent bloody stool, it is usually in the middle and late stages. Surgery is one of the main treatments for colon cancer. So, what is the surgical treatment for colon cancer?

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1. Left hemicolectomyIt is suitable for cancers in the descending colon and splenic flexure of the colon. Scope of resection: left half of the transverse colon, descending colon, part or all of the sigmoid colon, together with the associated mesentery and lymph nodes. After resection, the colon is anastomotic to the colon or the colon to the rectum.

2. Right hemicolectomySuitable for cancers in the cecum, ascending colon and hepatic flexure of the colon. Scope of resection: 15 to 20 cm of the terminal ileum, cecum, ascending colon and the right half of the transverse colon, together with the associated mesentery and lymph nodes.

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Cancer of the hepatic flexure requires removal of most of the transverse colon and the lymph nodes in the right gastroepiploic artery group. After resection, end-to-end anastomosis or end-to-side anastomosis of the ileum and colon (suturing the broken ends of the colon) is performed.

3. Transverse colon resectionSuitable for transverse colon cancer. Scope of resection: transverse colon and its hepatic and splenic flexures. After resection, the ascending and descending colons were anastomosed end-to-end.

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If the anastomotic tension is too great, right hemicolectomy can be performed and an ileo-colonic anastomosis can be performed.

4. Radical resection of sigmoid colon cancerDepending on the specific location of the cancer, in addition to resection of the sigmoid colon, descending colon resection or partial rectal resection may be performed. A colostocolonic or colorectal anastomosis is performed.

After colon cancer surgery, you should have regular physical examinations, especially cancer prevention examinations. If there is any suspicion, a timely examination should be carried out to strive for early detection and early treatment. At the same time, patients should maintain a good attitude, and their families should also take appropriate care and fight cancer together with the patients.

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