Positive fecal occult blood test?
Hello, doctor.
I would like to ask about my previous visits to a major hospital where I was diagnosed with internal hemorrhoids.
Recently, during a company health screening, I was informed that I tested positive for occult blood in my stool.
I am very worried that it might be colon cancer.
What should I do?
Li Renjie, 20~29 year old female. Ask Date: 2019/01/04
Dr. Ke Fangxu reply Surgery
At the age of 22, the likelihood of developing colorectal cancer is not zero, but generally speaking, it is very, very low.
Based on your description, it seems more like hemorrhoids.
I recommend starting with a light diet and maintaining a good lifestyle.
Spicy, irritating, and greasy foods should be avoided, and increasing your intake of dietary fiber can also be beneficial.
If symptoms persist without improvement, you may want to consult a physician for medication or to undergo a colonoscopy.
Reply Date: 2019/01/04
More Info
Understanding a positive fecal occult blood test (FOBT) can indeed be concerning, especially when you have a history of internal hemorrhoids. It's important to approach this situation with a clear understanding of what the test results mean and the next steps you should take.
A positive FOBT indicates that there is blood in your stool, which can arise from various sources within the gastrointestinal tract. While it can be alarming, it's crucial to remember that a positive result does not automatically mean you have colorectal cancer. There are several benign conditions that can also lead to a positive FOBT, including:
1. Hemorrhoids: Since you have a history of internal hemorrhoids, they could be the source of the bleeding. Hemorrhoids can cause intermittent bleeding, especially during bowel movements.
2. Diverticular Disease: This condition involves the formation of small pouches in the colon wall, which can become inflamed or bleed.
3. Gastrointestinal Infections: Certain infections can cause inflammation and bleeding in the gastrointestinal tract.
4. Polyps: These are growths on the lining of the colon that can bleed. While most polyps are benign, some can develop into cancer over time.
5. Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease or ulcerative colitis can lead to bleeding.
Given your positive FOBT result, the next step is to follow up with your healthcare provider. They may recommend further testing to determine the source of the bleeding. Common follow-up procedures include:
- Colonoscopy: This is the gold standard for investigating the source of gastrointestinal bleeding. A colonoscopy allows the doctor to visualize the entire colon and rectum and, if necessary, take biopsies or remove polyps.
- Flexible Sigmoidoscopy: This procedure examines the lower part of the colon and may be an option if the doctor believes the source of bleeding is localized.
- Imaging Studies: In some cases, imaging studies such as a CT scan may be used to evaluate the gastrointestinal tract.
It's essential to communicate openly with your healthcare provider about your concerns and symptoms. If you experience any alarming symptoms, such as significant changes in bowel habits, unexplained weight loss, or severe abdominal pain, seek medical attention promptly.
In summary, while a positive fecal occult blood test can be concerning, it is not a definitive diagnosis of colorectal cancer. With your history of hemorrhoids, it is possible that they are the cause of the positive result. However, further evaluation is necessary to rule out more serious conditions. Early detection and intervention are key to managing any potential issues effectively. Remember to maintain a healthy diet, stay hydrated, and engage in regular physical activity, as these can contribute to overall gastrointestinal health.
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