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News
Removing the appendix may do more than treat appendicitis — it could also protect against colorectal cancer. A new retrospective study found that patients who had an appendectomy faced less than half the risk of developing colorectal cancer compared to those treated with antibiotics alone. Researchers say this long-term oncologic risk should factor into treatment conversations.
Choosing surgery over antibiotics for acute appendicitis may carry a significant long-term benefit: a dramatically lower risk of colorectal cancer (CRC). A retrospective cohort study presented at the American College of Surgeons Annual Meeting found that appendectomy was associated with a 58% reduction in subsequent CRC risk compared to antibiotic-only management.
The study, led by researchers from Howard University and Morehouse School of Medicine, used propensity score-matching to compare over 15,000 patients in each treatment group. Incident CRC occurred in just 0.7% of appendectomy patients versus 1.7% of those treated with antibiotics alone — a difference that held up across multiple statistical analyses.
By the Numbers:
Why it matters: Antibiotic management of appendicitis is increasingly popular as a less invasive option, but this study suggests it may come with a hidden long-term trade-off. Clinicians are being urged to factor potential oncologic risk — and the need for appropriate monitoring — into shared decision-making conversations with patients considering non-operative management.
