Melanosis coli is a reversible pigmentation of the colonic mucosa characterised by brown or black discoloration caused by the accumulation of lipofuscin in macrophages. It most often arises after ...
Q: I recently had a colonoscopy. My doctor said everything was fine, but when I read a copy of my report, it said that I had “melanosis coli.” What does that mean? A: It’s nothing to worry about.