• Bouchra Dahmani, Lamia Boublenza, Naffissa Chabni, Dalale Behar, Hafida Hassaine, Nabila Masdoua, Amira Nahet, Kaouel Meguenni, and Ilyes Zetla.
• Laboratory of Microbiology Applied to the Food Industry, to Biomedical and to the Environment (LAMAABE), Department of Biology, University of Abou Bekr Belkaid, Tlemcen, Algeria.
• Afr Health Sci. 2023 Jun 1; 23 (2): 353359353-359.

AimsThe objective of this work is to evaluate the epidemiological profile of colorectal cancers, histologically proven over a 5-year period (2012-2016) in the Tlemcen region.MethodsA retrospective study of 581 cases of colorectal cancer collected at the epidemiology department of the University Hospital Center (UHC) of Tlemcen between January 2012 and December 2016 was performed. Epidemiological data were processed using SPSS version 25 and Microsoft Excel 2010.ResultsThe epidemiological profile has shown that colorectal cancer in our region ranks 3rd in both sexes. There were 322 men (55.4%) affected compared to 259 women (44.6%) with a sex ratio of 1.2. A predominance of males is noted in 50-60 age group, while for the female sex, the dominance is between 60-70 years old. The mean age of CRC occurrence was 60±13 years, with an extremity ranging from16 to 90. A significantly higher rate was recorded for rectal cancer (43.7%) followed by sigmoid colon (5.7%). Variable rates were recorded during the 5 years with a peak in 2014 (27.9%).ConclusionRegular analysis of these data, if supplemented with additional data on diagnostic modalities like circular RNA diagnostic, will contribute to the assessment of the impact over time of public policies on nationally organized CRC screening.© 2023 Dahmani B et al.

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