Blood in Stool: Is It a Sign of Polyps? - Surgery

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Blood in the stool?


I have always had a normal lifestyle without any issues with constipation.
Today, I noticed a small amount of blood in my stool and on the toilet paper, but there is no pain in my anus.
My abdomen feels a bit uncomfortable, but it doesn't hurt when I press on it.
Last week, I visited a gastroenterologist for a similar situation, and after an ultrasound, the doctor said everything looked normal and prescribed medication for bloating.
Could this possibly be a sign of polyps in the colon? I'm a bit worried and would appreciate your insights.
Thank you.

Xiao Dian, 20~29 year old female. Ask Date: 2015/11/09

Dr. Ke Fangxu reply Surgery


Based on your description, it seems more like hemorrhoidal bleeding.
If you are concerned about colorectal polyps, a colonoscopy is necessary to determine that, as colorectal polyps often do not present symptoms and cannot be diagnosed based on symptoms alone.

Reply Date: 2015/11/09

More Info


When it comes to the presence of blood in stool, it is essential to approach the situation with caution and a thorough understanding of potential underlying causes. The presence of blood, even in small amounts, can be indicative of various gastrointestinal issues, including hemorrhoids, anal fissures, diverticular disease, and polyps, among others. Given your description of the symptoms—specifically, the presence of blood on the toilet paper and a slight feeling of abdominal discomfort without pain—it is understandable to be concerned about the possibility of colorectal polyps or other conditions.

Colorectal polyps are growths on the lining of the colon or rectum that can vary in size and shape. While many polyps are benign, some can develop into colorectal cancer over time. The risk factors for developing polyps include age (especially over 50), a family history of polyps or colorectal cancer, certain genetic conditions, and lifestyle factors such as diet, obesity, and smoking.

In your case, the fact that you have had a recent ultrasound that appeared normal is reassuring, but it does not completely rule out the presence of polyps or other issues within the colon. Ultrasound is not typically the best imaging modality for evaluating the colon; a colonoscopy is the gold standard for directly visualizing the interior of the colon and identifying any polyps or other abnormalities. If you have not yet undergone a colonoscopy, it may be advisable to discuss this option with your healthcare provider, especially given your symptoms.

The absence of pain is a positive sign, as many serious conditions are often accompanied by significant discomfort. However, the presence of blood should not be ignored. It is also worth noting that conditions such as hemorrhoids or anal fissures can cause bleeding without pain, especially if the bleeding is minor and the fissures are not severe.

In addition to polyps, other potential causes of blood in the stool include:
1. Hemorrhoids: Swollen veins in the lower rectum or anus that can cause bleeding, especially during bowel movements.

2. Anal Fissures: Small tears in the lining of the anus that can occur due to straining during bowel movements.

3. Diverticulosis: The presence of small pouches in the colon wall that can bleed.

4. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can cause inflammation and bleeding.

5. Infections: Certain infections can lead to gastrointestinal bleeding.

Given your situation, it is crucial to follow up with your healthcare provider. They may recommend further diagnostic testing, such as a colonoscopy, to evaluate the colon directly. Additionally, they may consider other tests to rule out infections or inflammatory conditions.

In summary, while the presence of blood in the stool can be alarming, it is not always indicative of a severe condition like colorectal cancer or polyps. However, it is essential to take it seriously and seek further evaluation to determine the cause. Early detection and intervention are key to managing any potential issues effectively. Always consult with a healthcare professional for personalized advice and treatment options based on your specific situation.

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