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Surveillance after colorectal cancer surgery
L De Salvo1, F Razzetta, A Arezzo
1Department of Surgery, University of Genova, Italy.
Summary
Early colorectal cancer recurrence detection is challenging. Intensive follow-up using carcinoembryonic antigen (CEA) levels and liver ultrasonography between 15-36 months post-surgery aids early detection, benefiting select patients.
Area of Science:
- Oncology
- Surgical Oncology
- Gastroenterology
Background:
- Early diagnosis of colorectal cancer recurrence is difficult.
- Current follow-up strategies lack consensus on effectiveness.
- Effective post-resection monitoring is crucial for patient outcomes.
Purpose of the Study:
- To evaluate the efficacy of a specific follow-up protocol for colorectal cancer recurrence.
- To identify optimal methods for early detection of local and distant metastases.
- To assess the benefit of follow-up in patients post-radical resection.
Main Methods:
- Retrospective analysis of 239 colorectal cancer patients with at least 2 years of follow-up.
- Monitoring included carcinoembryonic antigen (CEA) levels, endoscopy, ultrasonography (U.S.), and chest X-ray.
- Assessment of recurrence detection methods and subsequent treatment interventions.
Main Results:
- Local recurrence in 10.9%, distant metastasis in 17.1%.
- CEA levels detected 57.7% of local recurrences and 48.8% of distant metastases.
- Intensive CEA and liver U.S. monitoring between 15-36 months showed utility in early detection.
Conclusions:
- Few patients significantly benefit from current general follow-up protocols.
- Intensive CEA monitoring and liver U.S. between 15-36 months are valuable for early recurrence detection.
- Personalized follow-up based on cancer stage, location, and grade may improve outcomes and reduce costs.