上海交通大学医学院附属仁济医院李晓波：首次肠镜筛查对于预防、治疗结直肠癌很重要

Core Insights - The article emphasizes the importance of early screening for colorectal cancer, which has a high incidence rate in China, with over 550,000 new cases annually and more than 240,000 deaths expected in 2024 due to the disease [1][2]. Group 1: Importance of Early Screening - Colorectal cancer often develops silently, with early stages showing no symptoms, leading to missed intervention opportunities [1][2]. - Early screening can significantly reduce the incidence of colorectal cancer, with a five-year survival rate exceeding 90% for early-stage cases, compared to less than 30% for advanced cases [2][3]. Group 2: Recommendations for Screening - It is recommended that men begin their first colonoscopy at age 40, while women should start at 45, with earlier screening for those with family history or risk factors [3][4]. - The frequency of follow-up screenings varies based on individual risk factors, with low-risk individuals over 50 advised to undergo screening every five years [4]. Group 3: Misconceptions and Awareness - There are prevalent misconceptions about the necessity of colonoscopy, with many individuals waiting for symptoms like abdominal pain or bleeding before seeking medical attention [5][6]. - Increased public awareness and education about the importance of early screening and the advancements in colonoscopy technology are crucial for improving screening rates [6][7]. Group 4: Technological Advancements - Recent advancements in domestic endoscopy technology and AI-assisted diagnostics have improved the detection of subtle lesions, reducing the likelihood of missed diagnoses by inexperienced doctors [2][5]. - The cost of early screening is significantly lower than that of treating advanced cancer, with early detection through colonoscopy costing less than 1,000 yuan compared to over 100,000 yuan for advanced treatment [2][3].