Review
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jan 21, 2009; 15(3): 270-279
Published online Jan 21, 2009. doi: 10.3748/wjg.15.270
Table 1 Clinical and epidemiological features of Crohn’s disease and ulcerative colitis
CDUC
Region of involvementAny portion of gastrointestinal tractRectum and colon
Typical region of involvementIleum and colonRectum and extending proximally
Nature of inflammatory processSegmental, transmuralContinuous, limited to mucosa
Extraintestinal manifestationsOral aphthous ulcers, peripheral arthritis, erythema nodosum, digital clubbing, episcleritis, renal stones, and gallstonesPyoderma gangrenosum, sclerosing cholangitis, chronic active hepatitis, and ankylosing spondylitis
Age at presentationBimodal; 1st peak in late teens; 2nd peak in late adulthoodBimodal; 1st peak in late teens; 2nd peak in late adulthood
Gender differenceWomen are slightly more likely than men to develop CDMen are slightly more likely than women to develop UC