Demographic survey on colorectal polyps in Shahid Sadoughi Hospital, Yazd, Iran

Objective To study demographic pattern of colonic polyps in Yazd province of Iran. Methods This descriptive study was done on 158 patients referred for colonoscopy to Shahid Sadoughi General Hospital between 2003-2008. Data based on patients age, gender, clinical signs, symptoms and colonoscopic findings were collected from patients hospital records and pathology reports, then analyzed by SPSS software . Results One hundred fifty eight patients had a colonic polyps, among them 84 (53.2%) were men and 74 (46.8%) were women, with mean age of 50.99 years. Non neoplastic polyps were common below the 39 years and neoplastic polyps were common after 40 years age. Neoplastic polyps were more frequent in women (60.8%) than men (53.6%), but nonneoplastic polyps were more frequent in men (46.6%) compared with women (39.2%). Rectorrhagy was the most common clinical sign (43%) followed by tenesmus (9.5%). Rectum was the most commonly involved region (36.7%) both in neoplastic and non neoplastic polyps. Neoplastic polyps (57%) were common than non neoplastic polyps(43%). Tubular adenoma were commonest adenomatous polyp (78.9%) and the tubulovillus adenoma were infrequent (3.3%). Mild dysplasia was seen in (68.9%) of polyps and only 10% of adenomatous polyps had a severe dysplastic changes. Adenocarcinoma found in 3.8% of polyps. Conclusion Our findings were similar to other studies, however, the rate of adenocarcinoma was higher than other studies. Further studies based on related factors such as dietary regimen and environmental factors are recommended. (Rawal Med J 2010;35:31-33).