The Sigmoïdite is an infectious complication of a Diverticulose on the sigmoid segment (in form of sygma Greek, doù the name) of the Côlon (left final the colon towards the rectum). It consists of a feverish state accompanied by pain abdomidale. This stage, it is necessary to consult as soon as possible (risk of perforating abscess and Péritonite) a doctor who will prescribe antibiotics Offlocet style to attenuate the crisis in waiting of a Sygmoïdectomie which consists in removing the sick part under Coélioscopie assisted. In general, the diverticulose is detected following a Coloscopie in the search of polyps and tumors for the predisposed patients.