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Erschienen in:
23.06.2017 | Genetic Syndromes, Screening, and Surveillance in Colorectal Cancer (N Kubiliun, Section Editor)
Colorectal Cancer Surveillance: What Is the Optimal Frequency of Follow-up and Which Tools Best Predict Recurrence?
Erschienen in: Current Colorectal Cancer Reports | Ausgabe 4/2017
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Purpose of Review
Up to 50% of patients with stage II or III colon cancer are estimated to develop locoregional recurrence, distant metastasis, or metachronous colon cancers within 5 years of initial treatment. Given the high risk of recurrence, surveillance is critical, but what is the optimal frequency and testing of surveillance, and is it possible to tailor surveillance plans based on risk prediction tools?
Recent Findings
We reviewed the current national guidelines from 6 reputable oncologic organizations, as well as 10 randomized controlled trials and numerous meta-analyses in the last 22 years evaluating more intensive to less intensive surveillance to answer this question. Currently available adjunct testing, such as genomic testing, and risk calculators were also evaluated.
Summary
Overall, high-frequency surveillance, to a limit, has been established as superior to less frequency surveillance. Future research will likely demonstrate evidence for adjunct testing for personalized surveillance screening based on individual recurrence risk.