<prompt> Colonic diverticulosis is best diagnosed byColonoscopyNuclear scanBarium enemaCT scan  <response>: Diverticula are best seen on barium enema. Colonoscopy is a less sensitive means of detecting diverticula. - CMDT 2007Diverticulosis refers to the presence of multiple diverticulaDiverticulitis refers to inflammation and infection associated with a diverticulum.Best investigation forDiverticulosis - Barium enemaDiverticulitis - CT scanOn barium, enema diverticulosis shows characteristic sawtooth appearance 