الفهرس 
Endoscopic description of colonic masses in Egyptian patients presenting to gastrointestinal endoscopy and Lliver Unit {u2013} Kasr Alainy
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Abstract
Background & Aim: Colorectal cancer (CRC) is the third most common cause of cancer in males and the second in females worldwide. CRC affects men and women of all racial and ethnic groups, and is most often found in those aged 50 years or older. Colonoscopy is considered the gold standard test for detection of colorectal masses. Its major advantage is the ability to examine the whole colon with high sensitivity for cancer and all classes of precancerous lesions. The aim of the study is to evaluate the epidemiological and the endoscopic features of colorectal masses in Egyptian patients presented to 2Kasr Al-Ainy3 endoscopy unit Methods: This is a descriptive cross-sectional hospital-based study. Evaluation of 6153 patients who underwent planned colonoscopy in the period between March, 2017 and December, 2019 at Gastrointestinal Endoscopy and Liver Unit {u2013} Kasr Alainy (GIELUKA) was done. A total of 459 patients diagnosed with colorectal masses and their parameters were analysed which included ; the patient{u2019}s demographic data , cause of referral and presenting symptoms, endoscopic features of the colonic mass lesions including number of lesions, anatomical location of the mass and the results of histopathological examination of the masses.Results: Colorectal masses were detected in 459 patients (7% of all colonoscopies). Fifty-three percent of the patients were males. The mean age ±SD was 53± 7 years. Around 60% of the patients were in the age range from 50 to70 years. While 25% of cancers occurred in patients aged 40 years old or less. The most frequent indications for colonoscopy were assessment of a mass detected by imaging (26.58%) and symptoms associated with blood loss (22.22%). Seventy-six percent of the masses were located in the left side of the colon. %). About 60% of the histopathology results were retrieved, of these results the most common result was adenocarcinoma (74.2%)