RT Book, Section A1 Hanan, Ira M. SR Print(0) ID 1115730897 T1 Miscellaneous Colon Findings T2 Atlas of Colon Pathology YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9781264269556 LK accesssurgery.mhmedical.com/content.aspx?aid=1115730897 RD 2024/10/14 AB Graphic Jump LocationView Full Size||Download Slide (.ppt)Figure 1Melanosis coli refers to the dark pigmentation of the colonic mucosa in patients taking anthracene-containing laxatives. While this pigmentation is harmless, it is a clue to the patient's chronic cathartic laxative use.