Preventing Interval Colorectal Cancer: 6 Things for GI Physicians to Know

Colon cancer mortality rates have been steadily decreasing for years, but 7.2 to 9 percent of cases are interval colorectal cancer, cases which occur 6 to 36 months after a colonoscopy screening.

A recent study published in the journal Clinical Gastroenterology and Hepatology examines the occurrence of interval colorectal cancer and ways to prevent it.

Causes of interval CRC
•    Missed lesions
•    Incomplete polypectomy
•    Rapid progression

What GI physicians can do
•    Identify patients at risk of biologically aggressive neoplasia based on family history or molecular analysis of initial adenomas
•    Improve colonoscopy quality: work to decrease missed or incompletely resected lesions
•    Focus on training: studies consistently show that gastroenterologists and colorectal surgeons have  lower adenoma miss rates than edoscopists with less training

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