@Article{, title={Proportion of Colorectal Cancer Proved by a Histopathological Study on Patients Who Underwent Colonoscopy}, author={Nadir A. Sanad Al‑Jenabi, Ali Abaid Kadhem, Hamid Fadhel Abbas}, journal={Medical Journal of Babylon مجلة بابل الطبية}, volume={16}, number={2}, pages={141-144}, year={2019}, abstract={Background: Colorectal cancer is the third most common cancer in the world, and the general lifetime risk of development cancer in the UnitedStates is 6%. Many people with colon cancer experience no symptoms in the early stage of the disease. When symptoms appear, they will likelyvary, depending on the cancer size and location in the large intestine. Objective: The objective of this study was to determine the proportion ofcolorectal cancer proved by a histopathological findings on patients who underwent colonoscopy and also to study the association of colorectalcancer with age, gender, and presenting signs. Materials and Methods: This study has been carried out at gastroenterology, and colonoscopyhas been done for 366 patients with signs and symptoms of lower gastrointestinal tract infection. Out of those patients, biopsies have beentaken from 320 patients. Results: Results of distribution of the patients who underwent colonoscopy by presenting signs and symptoms foundthat the majority (80.6%) of the patients presented with bleeding per rectum. The distribution of (320) patients by histopathological findingsfound that only 17.8% of patients had colorectal tumors. Conclusion: Younger age group is more involved in colon cancer and left colon wasthe most common site, and when symptoms occur, the tumor is locally invasive.

} }