Hassan Aziz1, Viraj Pandit1, Ryan M DiGiovanni1, Eric Ohlson1, Angelika C Gruessner2, Jana Jandova3, Valentine N Nfonsam1. 1. Department of Surgery, Division of Surgical Oncology, University of Arizona, Tucson, AZ. 2. Department of Epidemiology and Biostatistics Division, University of Arizona, Tucson, AZ. 3. Department of Surgery, Division of Surgical Oncology, University of Arizona, Tucson, AZ; Department of Pathology, University of Arizona, Tucson, AZ.
Abstract
INTRODUCTION: The aim of this study was to investigate and analyze the incidence of early-onset colorectal cancer in Arizona, using the Arizona Cancer Registry. METHODS: We performed a retrospective analysis of patients with colorectal cancer reported in the Arizona Cancer Registry from 1995-2010. Outcome measure: incidence of CRC in patients younger than 50 years. RESULTS: 39,623 cases of colorectal cancer were reported to the Arizona Cancer Registry during a period of 15 years. Overall, there was a 17% decrease in the incidence of CRC. However, there was a 23% increase in incidence among patients in the age group 10-50. During the same time period, 15% and 41% increase in the incidence of colon and rectal cancer was observed, respectively. The most significant increase (102%) in overall CRC incidence was seen in the age group 10-29. The highest increase (110%) in incidence of colon cancer was observed in the same age group, while the most significant increase in incidence rates (225%) of rectal cancer was seen in the age group 30-34. CONCLUSION: Although there is an overall decrease in incidence of colorectal cancer in Arizona, alarming increase in incidence of early-onset CRC was observed; mirroring the national trends.
INTRODUCTION: The aim of this study was to investigate and analyze the incidence of early-onset colorectal cancer in Arizona, using the Arizona Cancer Registry. METHODS: We performed a retrospective analysis of patients with colorectal cancer reported in the Arizona Cancer Registry from 1995-2010. Outcome measure: incidence of CRC in patients younger than 50 years. RESULTS: 39,623 cases of colorectal cancer were reported to the Arizona Cancer Registry during a period of 15 years. Overall, there was a 17% decrease in the incidence of CRC. However, there was a 23% increase in incidence among patients in the age group 10-50. During the same time period, 15% and 41% increase in the incidence of colon and rectal cancer was observed, respectively. The most significant increase (102%) in overall CRC incidence was seen in the age group 10-29. The highest increase (110%) in incidence of colon cancer was observed in the same age group, while the most significant increase in incidence rates (225%) of rectal cancer was seen in the age group 30-34. CONCLUSION: Although there is an overall decrease in incidence of colorectal cancer in Arizona, alarming increase in incidence of early-onset CRC was observed; mirroring the national trends.
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