Proportion of colorectal cancer proved by a histopathological study on patients who underwent colonoscopy

الملخص EN

Background: Colorectal cancer is the third most common cancer in the world, and the general lifetime risk of development cancer in the United States is 6%.

Many people with colon cancer experience no symptoms in the early stage of the disease.

When symptoms appear, they will likely vary, depending on the cancer size and location in the large intestine.

Objective: The objective of this study was to determine the proportion of colorectal cancer proved by a histopathological findings on patients who underwent colonoscopy and also to study the association of colorectal cancer with age, gender, and presenting signs.

Materials and Methods: This study has been carried out at gastroenterology, and colonoscopy has been done for 366 patients with signs and symptoms of lower gastrointestinal tract infection.

Out of those patients, biopsies have been taken from 320 patients.

Results: Results of distribution of the patients who underwent colonoscopy by presenting signs and symptoms found that the majority (80.6%) of the patients presented with bleeding per rectum.

The distribution of (320) patients by histopathological findings found that only 17.8% of patients had colorectal tumors.

Conclusion: Younger age group is more involved in colon cancer and left colon was the most common site, and when symptoms occur, the tumor is locally invasive.