Grooved Stool: Is It a Sign of Colon Cancer?

The stool has grooves?

Hello Dr.
Ke, I have noticed that for the past few months, my stool often has grooves.
Could this possibly be a sign of colorectal cancer?

Di Zi, 10~19 year old female. Ask Date: 2016/10/27

Dr. Ke Fangxu reply Surgery

At the age of 17, the likelihood of developing colorectal cancer is not zero, but generally speaking, it is very, very low.
Based on your description, it seems more likely to be caused by hemorrhoidal swelling.
It is advisable to maintain a light diet and a good lifestyle, as well as to shorten the time spent on bowel movements, which should also help.

Reply Date: 2016/10/27

More Info

Grooved stool, also known as "ribbon-like" or "thin" stool, can be concerning for many individuals, especially when they notice a change in their bowel habits. While it is understandable to worry about the possibility of colon cancer, it is important to consider various factors before jumping to conclusions.

Firstly, grooved or ribbon-like stool can be caused by several factors, and not all of them are related to cancer. One common reason for this change in stool shape is a narrowing of the colon, which can occur due to various benign conditions such as irritable bowel syndrome (IBS) or inflammation. In some cases, the stool may appear thinner if there is a blockage or stricture in the colon, which can be caused by conditions like diverticulitis or inflammatory bowel disease (IBD).

However, it is crucial to note that ribbon-like stool can also be a symptom of more serious conditions, including colon cancer. When a tumor grows in the colon, it can create a narrowing that affects the shape of the stool. This is particularly concerning if the change in stool shape is accompanied by other symptoms such as blood in the stool, unexplained weight loss, persistent abdominal pain, or changes in bowel habits (such as diarrhea or constipation).

Given your concerns, it is advisable to consult a healthcare professional for a thorough evaluation. A doctor may recommend a colonoscopy, which is a procedure that allows for direct visualization of the colon and can help identify any abnormalities, including polyps or tumors. Additionally, imaging studies such as a CT scan may be used to assess the colon and surrounding structures.

In summary, while grooved stool can be a sign of colon cancer, it is not definitive on its own. Many other benign conditions can cause similar changes in stool appearance. It is essential to consider the full clinical picture, including any accompanying symptoms, and to seek medical advice for proper diagnosis and management. Regular screenings, especially for individuals over the age of 50 or those with a family history of colorectal cancer, are crucial for early detection and prevention of colon cancer. If you have concerns about your bowel habits or any other symptoms, do not hesitate to reach out to your healthcare provider for guidance.

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