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Re: sidual dysplasiaFrom: Dr. John Provatopoulos B.Sc. M.D.C.M. F.R.S.C. (johnprov@sympatico.ca)Fri Jan 9 17:00:22 2004
ACOG NEWS RELEASE For Release: January 1, 2003 Cervical Cancer Risk Doubles with Longer Screening Intervals WASHINGTON, DC -- A rigorous case-control study in the January issue of Obstetrics & Gynecology finds that a woman's relative risk of invasive cervical cancer doubles if she is screened at 2- or 3-year intervals after her last negative (normal) cervical smear, rather than at 1 year intervals. Although a woman's absolute risk for getting cervical cancer remains low, the researchers note this finding is important for policy makers when considering the costs and impact of a decrease in screening frequency. Researchers specifically addressed the question of whether, and to what extent, instituting a 2- or 3-year screening interval in a population previously offered annual cervical screens increased the risk of cervical cancer. They looked at 1,466 women in the Kaiser Permanente health maintenance organization in northern California: 482 women with invasive squamous cell cervical cancer, and 984 controls matched by age, length of HMO membership, and race/ethnicity. Study authors found that while there was no significant difference between a 2-year or a 3-year screening interval, the relative risk of invasive squamous cell cervical cancer with screening at 2 or 3 years was double that at 1 year intervals. They suggest that policy decisions on screening intervals should be based on additional precisely-quantified study results, particularly as new screening technologies are incorporated into routine screening. Contact: Marie Grisham Miller, PhD, Kaiser Permanente Medical Care Program, Oakland, CA, at mariegmiller@saber.net. # # #
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Take care, John
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