Colonic Diverticulosis By Joel A Baum, MD, Icahn School of Medicine at Mount Sinai; Rafael Antonio Ching Companioni, MD, HCA Florida Gulf Coast Hospital Reviewed / Revised Oct 2022 View Patient Education Etiology Symptoms and Signs Diagnosis Treatment Key Points More Information Symptomatic Uncomplicated Diverticular Disease (SUDD) Topic Resources Diverticulosis Diverticulum With Bleeding Diverticulosis (CT Scan) Overview of Diverticulosis... Colonic diverticulosis is the presence of one or more diverticula in the colon.