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Hello,
Welcome back to icliniq.com.
Let me explain again,
1) Your stool occult blood was positive on the stool sample, which already contained red and pus cells. When your sample has red blood cells, so by default, occult blood can be positive because occult blood detects the heme part of hemoglobin, which is protein, and it is present within the red blood cells.
2) You are confusing occult blood tests positively with colon cancer by default due to online interpretation without clinical context.
3) Occult blood tests were introduced to check minimal possible blood loss in the colon, so patients should be filtered for colonoscopy with one of the possibilities (out of many) of having colonic polyps or cancer.
4) This test is not diagnostic for colon cancer or polyps, and this has false positive and false negative results too.
5) I mentioned a few conditions like a recent colon infection and the use of certain medications like NSAIDs, group pain killers, Aspirin, a high meat diet, etc., which could lead to false positive results.
6) Fecal calprotectin levels are different tests, and this calprotectin protein is present in white blood cells, not red blood cells. Its raised levels suggest inflammation within the colon due to IBD or infection.
7) Fecal calprotectin will not rule in or rule out colon cancer.
There are two options in your case: Wait and watch, take Rifaxamin and probiotics, and repeat the occult blood test in 7 to 10 days.
And the other is to go for a colonoscopy for your satisfaction. Regarding clinical assessment and impression, I am not expecting colon cancer with this report at such a young age.
This explanation will help you to decide.
Wishing you good health.
Thank you.