[Epidemiology of colorectal cancer in Isfahan Province]

ABSTRACT

The aim of this study was to assess epidemiology of colorectal cancer [CRC] in Isfahan, Iran. Data were gathered from hospital documents of hospital admissions for colonoscopy, surgery, chemotherapy or radiotherapy due to colorectal cancer during 1996-2003. 1100 cases with colorectal cancer in seven years were detected and reviewed. Our minimum incidence rate estimation was 1.3 per 100,000 in 1996, 3.7 /100,000 in 2001 and 3.1 / 100,000 in 2003. One third of CRC cases were diagnosed between thirties to fifties in both genders in our province with a peak incidence in the fifties for females and in the sixties for males. CRC in more than 85% of the patients was left sided. The one, five and seven year's survival rates were 97%, 43% and 21% respectively. A significant lower survival rate was seen in right colon in oppose to the left colon [13% vs. 40%] [p<0.05] after five years of follow up. Incidence of CRC in Isfahan Proviene is increasing. Rectum is the most common site [61.6%] for CRC. Many of Iranians who have CRC are young Regarding to fact program, Screening is recommended earlier than Western countries