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Updated: Jun 10, 2026
06:46
Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
Published on: September 27, 2024
Metachronous colorectal cancer
M G Pramateftakis1, P Hatzigianni, D Kanellos
14th Surgical Department, Aristotle University, Thessaloniki, Greece. mpramateftakis@hotmail.com
Techniques in Coloproctology
|August 12, 2010
Summary
Metachronous colorectal cancer is a rare but significant risk. Regular colonoscopies after initial treatment are crucial for early detection in colorectal cancer survivors.
Area of Science:
- Gastroenterology
- Oncology
- Surgical Oncology
Background:
- Colorectal cancer (CRC) management requires long-term surveillance.
- Understanding the incidence and timing of metachronous CRC is vital for patient outcomes.
Purpose of the Study:
- To report on patients who developed metachronous colorectal cancer.
- To highlight the importance of ongoing surveillance in CRC patients.
Main Methods:
- Retrospective analysis of 670 patients treated for colorectal cancer between 1990 and 2009.
- Identification of cases with metachronous secondary colorectal cancer.
Main Results:
- Four patients (0.6%) developed metachronous colorectal cancer.
- The interval between the initial and secondary cancer ranged from 28 months to 22 years (mean 146 months).
Conclusions:
- Metachronous colorectal cancer represents a notable risk for patients with a history of CRC.
- Postoperative colonoscopic surveillance is essential for all patients treated for colorectal cancer.
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