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Colegio de Medicina Interna de México.

2024, Number 1

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Med Int Mex 2024; 40 (1)

Diagnosis of microscopic colitis

Arias RLF, Torres BO, González TA, Martínez VE, Quiñonez ÁMF, Ávila TA

Language: Spanish
References: 23
Page: 12-18
PDF size: 247.62 Kb.


ABSTRACT

Objective: To determine the endoscopic sensitivity for each segment of the colon.
Materials and Methods: Observational and retrospective study performed in the Laboratory of Histopathology and Molecular Biology of the Hospital Ángeles del Carmen, Guadalajara, Jalisco, Mexico, with the histopathological tests practiced from January 2018 to October 2021 in patients with colorectal biopsies, stained with hematoxylin and eosin and simultaneously analyzed by four specialists in pathological anatomy by light microscopy. For statistical analysis of the data, Statgraphics 18 software was used to determine the sensitivity of histopathologic examination of each colonic segment.
Resultados: Histopathologic studies of colorectal biopsies from 130 patients diagnosed with microscopic colitis were reviewed. By segment alone, the sigmoid colon had the highest sensitivity, followed by the ascending colon and the descending colon. Collagenous colitis was more common in men than in women; mixed lymphocytic and microscopic colitis were more common in women. The mean ages for collagenous colitis, lymphocytic colitis, and mixed microscopic colitis were 50.7 ± 21.8, 50.44 ± 17.6, and 49.2 ± 23.3 years, respectively.
Conclusions: Due to the high frequency of mixed microscopic colitis, it is important to consider it a subtype of microscopic colitis in future studies. Contrary to previous reports, the results of this study show that collagenous colitis is more common in men than in women.


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