Comment on

• Developing an instrument to assess the endoscopic severity of ulcerative colitis: the Ulcerative Colitis Endoscopic Index of Severity (UCEIS).

  Travis SP, Schnell D, Krzeski P, Abreu MT, Altman DG, Colombel JF, Feagan BG, Hanauer SB, Lémann M, Lichtenstein GR, Marteau PR, Reinisch W, Sands BE, Yacyshyn BR, Bernhardt CA, Mary JY, Sandborn WJ. Travis SP, et al. Gut. 2012 Apr;61(4):535-42. doi: 10.1136/gutjnl-2011-300486. Epub 2011 Oct 13. Gut. 2012. PMID: 21997563 Free PMC article.
• Fecal calprotectin is a surrogate marker for endoscopic lesions in inflammatory bowel disease.

  D'Haens G, Ferrante M, Vermeire S, Baert F, Noman M, Moortgat L, Geens P, Iwens D, Aerden I, Van Assche G, Van Olmen G, Rutgeerts P. D'Haens G, et al. Inflamm Bowel Dis. 2012 Dec;18(12):2218-24. doi: 10.1002/ibd.22917. Epub 2012 Feb 16. Inflamm Bowel Dis. 2012. PMID: 22344983
• Endoscopic skipping of the distal terminal ileum in Crohn's disease can lead to negative results from ileocolonoscopy.

  Samuel S, Bruining DH, Loftus EV Jr, Becker B, Fletcher JG, Mandrekar JN, Zinsmeister AR, Sandborn WJ. Samuel S, et al. Clin Gastroenterol Hepatol. 2012 Nov;10(11):1253-9. doi: 10.1016/j.cgh.2012.03.026. Epub 2012 Apr 10. Clin Gastroenterol Hepatol. 2012. PMID: 22503995
• Narrow band imaging for detection of dysplasia in colitis: a randomized controlled trial.

  Ignjatovic A, East JE, Subramanian V, Suzuki N, Guenther T, Palmer N, Bassett P, Ragunath K, Saunders BP. Ignjatovic A, et al. Am J Gastroenterol. 2012 Jun;107(6):885-90. doi: 10.1038/ajg.2012.67. Am J Gastroenterol. 2012. PMID: 22613903 Clinical Trial.