[Diverticula of the colon: Review of related entities]

Diverticulosis, Diverticular Disease, and Diverticulitis, comprising different entities, pose increasing burdens for health care systems. The introduction of new scientific knowledge into daily clinical work is challenging for attending physicians. This review is related to case presentations and currently debated questions are discussed such as definitions: Which entities are meant by the term "Diverticular Disease", is "uncomplicated symptomatic Diverticular Disease"(SUDD) reality? To classify diverticula related diseases targeted diagnosis including imaging is necessary. The question is ultrasound or computed tomography, or the combination and in which order?Lastly, open questions of treatment have to be addressed: Outpatient care or hospitalisation, always antibiotics or only in defined situations, relapse prevention, indications to operate upon?The present review comes along with revised German guidelines, which will be published later this year on S3-level.