All of the following are true about toxic megacolon EXCEPT: March 2013 (g)
Carries significant risk of perforation
Consistent feature of Crohn's disease
Colonic dilatation
Colectomy may be required
Ans. B i.e. Consistent feature of Crohn's disease In cases of ulcerative colitis, inflammation and inflammatory mediators can damage the muscularis propria and neuromuscular function leading to colonic dilation and toxic megacolon.