A Questionnaire-Based Survey on Screening for Gastric and Colorectal Cancer by Physicians in East Asian Countries in 2010Naito Y. · Uchiyama K. · Kinoshita Y. · Fukudo S. · Joh T. · Suzuki H. · Takahashi S. · Ueno F. · Fujiwara Y. · Arakawa T. · Matsumoto T. · Hahm K.-B. · Kachintorn U. · Syam A.F. · Rani A.A. · Sollano J.D. · Zhu Q.
Background: The incidence of gastric cancer (GC) is high, and colorectal cancer (CRC) has significantly increased in Asian countries. Aim: To examine the current screening for GC and CRC within East Asia by means of a questionnaire survey. Methods: Representative members of the Committee of the International Gastrointestinal Consensus Symposium provided a questionnaire to physicians in six East Asian countries. Results: A total of 449 physicians participated in this survey. In all countries, more than 70% of physicians started GC screening between 40 and 59 years. The most popular method to screen for GC was endoscopy (92.7%), but combination methods such as Helicobacter pylori (HP) antibody, barium X-ray, and tumor marker with endoscopy differed by country. For HP-positive individuals, most physicians screened every year by endoscopy, and for individuals post-HP eradication, about half of physicians (56.3%) thought there was a need to follow-up with GC screening. Among all physicians, the most common age to start CRC screening was in the 40s (39.8%) and 50s (40.9%). Based on the American Cancer Society Recommendations, a fecal occult blood test every year was the most popular method for CRC screening overall. However, among each country, this test was most popular in only Japan (76.9%) and Indonesia. In other countries, sigmoidoscopy every 5 years and total colonoscopy every 10 years were the most popular methods. Conclusion: There are similarities and differences in the screening of GC and CRC among East Asian countries.
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