|Περιγραφή||Rectal bleeding is very common in the general population. It is usually minimal, with outlet-type characteristics, but it can also be an expression of lower gastrointestinal bleeding.
Colon investigation is usually indicated during rectal bleeding evaluation. Diminutive polyps cause no symptoms and they are an incidental finding in up to 50% of colonoscopies for various
indications. Distal hyperplastic polyps are considered harmless. The natural history of adenomas, especially the diminutive ones, is largely unknown. Diminutive adenomas are rarely histologically
advanced. Distal advanced diminutive adenomas or =3 distal diminutive tubular adenomas, can be markers of advanced proximal neoplasia. The importance of 1-2 diminutive tubular adenomas is highly
controversial. Endoscopic removal of all polyps, although not specifically studied for diminutive ones, results in significant decrease of colorectal cancer incidence. Key words: rectal bleeding,
minimal rectal bleeding, adenomas, hyperplastic polyps, diminutive polyps, colorectal cancer, colonoscopy|