<prompt> All the following statements are false, except -Collagenous colitis is seen in childrenUlcerative colitis is an acute granulomatous diseaseUlcerative colitis involves mucosa and submucosaNecrotizing enterocolitis is an acute granulomatous disease  <response>: Ulcerative colitis is an ulcer inflammatory disease limited to colon and affecting only mucosa and submucosa.Muscular layer of the intestine is not involved in ulcerative colitis except in very severe disease. It is an important point of differentiation from Crohns disease in which the muscular layer is also involved.In the same way, granulomas are a pathological feature of Crohns disease, not ulcerative colitis.Collagenous colitis primarily affects middle-aged and older women whereas necrotizing enterocolitis is characteristically seen in neonates. 