Colorectal Cancer in Egypt

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Abstract
The aim of this study was to review the age distribution and pathology features of colorectal cancer in Egypt. A seven-year review (retrospective in first six years, prospective in the seventh) of all colorectal adenocarcinoma patients (N = 177; 104 males; mean age, 46; range, 19-74 years) presented to the Department of Surgery, Ain Shams University, was performed. Data from three other major hospitals throughout the country were retrieved and compared with Ain Shams data. Retrospective data were retrieved from patients' files and surgery and pathology records. Family history of colorectal cancer and other characteristic hereditary nonpolyposis colorectal cancer tumors was obtained prospectively in all patients. According to Ain Shams data, the disease had no predilection to a specific age group. Thirty-eight percent of the tumors occurred in patients aged less than 40 years, and only 15 percent of patients were aged above 60 years. None of the young patients fulfilled the Amsterdam criteria for hereditary nonpolyposis colorectal cancer. Seventy-five percent of tumors occurred in the left side, 3 percent were Dukes A, and 58 percent were Dukes C. Synchronous and metachronous tumors occurred in 2.8 and 4.5 percent of patients, respectively. Adenomas were present in 5.6 percent of patients and bilharziasis in 3.4 percent of resection specimens. Data from different centers were remarkably similar to Ain Shams results. Colorectal cancer in Egypt has no age predilection and more than one-third of tumors affects a young population. The high prevalence in young people can neither be explained on a hereditary basis nor can it be attributed to bilharziasis. The disease usually presents at an advanced stage, and predisposing adenomas are rare. Similarity of the data from different centers suggests that this is the picture of colorectal cancer typical of Egypt.