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News
Removing the appendix may do more than treat appendicitis — it could also cut colorectal cancer risk. A new retrospective study found that appendectomy patients had a 58% lower risk of developing colorectal cancer compared to those treated with antibiotics alone. Researchers say antibiotic management is still valid, but long-term cancer risk should factor into treatment conversations.
Removing the appendix may do more than just resolve appendicitis — it could significantly reduce a patient's long-term risk of colorectal cancer (CRC). A retrospective cohort study presented at the American College of Surgeons annual meeting found that patients who underwent appendectomy had a 58% lower risk of developing CRC compared to those managed with antibiotics alone.
The study, led by researchers at Howard University College of Medicine, used propensity score-matching to compare over 15,000 patients in each treatment group. CRC occurred in just 0.7% of appendectomy patients versus 1.7% of those treated with antibiotics — a difference that held up across multiple statistical analyses, including Kaplan-Meier survival curves.
Researchers were careful to note that this doesn't mean everyone with appendicitis needs surgery. Antibiotic management remains a legitimate option — but the findings suggest that long-term oncologic risk should be part of the shared decision-making conversation.
By the Numbers
Why it matters: As non-operative management of appendicitis becomes more common, this study raises an important question: are we trading short-term convenience for long-term cancer risk? Clinicians may need to factor CRC surveillance into follow-up plans for patients who opt for antibiotics over surgery.
