Avnika Jasuja, Aarathi Rangan Rau, Umesh Jalihal, Ipsita Debata

A Clinical-morphological Study of Colorectal Polyps with Emphasis on Serrated Lesions

  • General Medicine

Abstract Background: The World Health Organization introduced the entities of sessile serrated adenoma and traditional serrated adenoma, and hyperplastic polyps (HPs) under the serrated lesions category in 2010. Indian studies on demographic, clinical, and histopathological characteristics of colorectal polyps, especially on serrated lesions, are limited. Our study aimed to study the morphology of the colorectal polyps and estimate the percentage of serrated lesions in the polyps studied. Methodology: A cross-sectional hospital-based study was conducted on colorectal polyps received for routine histopathological examination from July 2013 to August 2015. The polyps were classified according to the WHO 2010 colon and rectum tumors classification. Data were compiled and analyzed using IBM SPSS statistics version 20.0. The interpretation was done in frequencies and percentages. Results: We studied a total of 200 colorectal polyps. The polyps were mostly seen in the descending colon (41%). Histologically, the majority of the colorectal polyps were adenomatous in nature (59%). The serrated lesions accounted for 29% of all colorectal polyps. The polyps were mostly seen in patients who were more than 40 years old. Conclusion: Adenomas were the most prevalent type of colorectal polyps, seen more in males, at a higher age, and distally located. Serrated lesions predominantly included HPs, mostly <1 cm in size.

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