Colitis: A Practical Approach to Colon Biopsy Interpretation by Karel Geboes, Sonia Nemolato, Maria Leo, Gavino Faa

By Karel Geboes, Sonia Nemolato, Maria Leo, Gavino Faa

This concise booklet explains how you can research endoscopic mucosal biopsies of the colon got for analysis and stick to up of colitis regularly and inflammatory bowel illnesses (ulcerative colitis, Crohn’s affliction and microscopic colitis) specifically. this can be accomplished through the presentation of uncomplicated lesions in a number of drawings including an explanatory textual content and microscopic photos. the outline is done by way of a overview of assorted differential diagnostic matters and kinds of colitis.

Colitis: a realistic method of Colon Biopsy Interpretation is geared toward common pathologists and pathologists in education and likewise gastroenterologists to aid them know the way an exact prognosis should be reached.

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Additional info for Colitis: A Practical Approach to Colon Biopsy Interpretation

Sample text

Samples could be signed as “inflammatory bowel disease-like features,” but diverticular colitis must be considered in the differential diagnosis, especially when the patient is middle aged. Diversion colitis is likely when samples from an excluded rectum are abnormal whereas samples from the colon in transit are normal. For this diagnosis, minimal knowledge of the clinical situation is imperative. Subsequently, the architecture of the mucosa of the different samples should be assessed. It has been shown that architectural changes can be observed with good reproducibility and that they have good sensitivity and specificity for a diagnosis of IBD [12].

Aberrant patterns included grade 2 with rather large, oval, and somewhat irregular pits; grade 3 with pits of various shapes and sizes and irregularly arranged; and grade 4 characterized by dispersed pits varying in morphology and associated with the presence of small erosions. Similar finding have been reported with CLE. In ulcerative colitis, CLE imaging identified crypt abnormalities such as crypt fusion and distortion and dilation of crypt openings, with fluorescein leaks into the crypt lumen [17, 18].

Am J Surg Pathol. 1997;21:60–9. 16. Koteish A, Kannangai R, Abrahma SC, et al. Colonic spirochetosis in children and adults. Am J Clin Pathol. 2003;120:828–32. 17. Swanson BJ, Limketkai BN, Liu TC, et al. Sevelamer crystals in the gastrointestinal tract (GIT): a new entity associated with mucosal injury. Am J Surg Pathol. 2013;37:1686–93. 18. Connor A, Tolan D, Hughes S, et al. Consensus guidelines for the safe prescription and administration of oral bowel-cleansing agents. Gut. 2012;61:1525–32.

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