Tuesday, June 08, 2010
One to 2-Year Surveillance Intervals Reduce Risk of Colorectal Cancer in Families With Lynch Syndrome
Background & Aims
Two percent to 4% of all cases of colorectal cancer (CRC) are associated with Lynch syndrome. Dominant clustering of CRC (non-Lynch syndrome) accounts for 1%–3% of the cases. Because carcinogenesis is accelerated in Lynch syndrome, an intensive colonoscopic surveillance program has been recommended since 1995. The aim of the study was to evaluate the effectiveness of this program.
Conclusions
With surveillance intervals of 1–2 years, members of families with Lynch syndrome have a lower risk of developing CRC than with surveillance intervals of 2–3 years. Because of the low risk of CRC in non-Lynch syndrome families, a less intensive surveillance protocol can be recommended.
Anti-MUC1 Antibodies and Ovarian Cancer Risk: Prospective Data from the Nurses' Health Studies — Cancer Epidemiology, Biomarkers & Prevention
Conclusion: Anti-MUC1 antibodies evaluated several years before diagnosis may be associated with lower risk of subsequent ovarian cancer in women <64 years old at assessment.
Impact: Key elements of an “immune model” to explain ovarian cancer risk factors are confirmed and should be evaluated in larger prospective studies.
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