대장내시경 후 대장암의 원인과 예방 전략
Colorectal Cancer after Colonoscopy: Causes and Prevention Strategies
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Colorectal cancer ranks second in incidence and third in cancer-related mortality in Korea, and screening colonoscopies are being used more frequently to facilitate early detection and treatment. Some cancers are diagnosed after colonoscopy but before the recommended surveillance interval: this is referred to as post-colonoscopy colorectal cancer (PCCRC). A recent meta-analysis revealed that interval cancers occur in 8.2% of cases, with proximal PCCRC accounting for 9.7% and distal PCCRC for 5.4%. The primary causes of PCCRC include inadequate bowel preparation, missed lesions, incomplete resection, and development of new lesions. Ensuring high-quality endoscopic procedures and achieving complete resection will be critical to addressing these causes and preventing PCCRC.
Abstract
Colorectal cancer ranks second in incidence and third in cancer-related mortality in Korea, and screening colonoscopies are being used more frequently to facilitate early detection and treatment. Some cancers are diagnosed after colonoscopy but before the recommended surveillance interval: this is referred to as post-colonoscopy colorectal cancer (PCCRC). A recent meta-analysis revealed that interval cancers occur in 8.2% of cases, with proximal PCCRC accounting for 9.7% and distal PCCRC for 5.4%. The primary causes of PCCRC include inadequate bowel preparation, missed lesions, incomplete resection, and development of new lesions. Ensuring high-quality endoscopic procedures and achieving complete resection will be critical to addressing these causes and preventing PCCRC.