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Cervical cancer incidence increase recorded by NCRI

05 Nov 2013

By Lloyd Mudiwa

New research from National Cancer Registry Ireland has found increased incidence rates in cervical cancer during 1994-2008, although mortality rates are unchanged, IMT reports.

Researcher/Statistician Dr Katie O’Brien and Epidemiologist/Principal Investigator Dr Linda Sharp, both of the Registry, suggest that the increase in cervical cancer incidence in Ireland is most likely due to long-term changes in patterns of sexual behaviour. These trends contrast with those seen in the countries of the UK, which have well-organised population-based screening programmes, and where both incidence and mortality rates have fallen significantly, the research paper published ahead of print in the journal Cancer Epidemiology reports.

According to the paper, incidence rates in Ireland of cervical cancer and cervical intraepithelial neoplasia (CIN3, which is detected by screening) rose by 1.8 per cent per annum and 3.8 per cent per annum respectively during 1994-2008. However, death rates have remained unchanged since the early 1970s.

Dr O’Brien and Dr Sharp used Registry and national death registration data to investigate incidence and mortality trends for cervical lesions. Cancer incidence rates were almost twice as high among women resident in the most deprived areas of the country, compared to those resident in the least deprived areas, they found.

They said the pronounced rise in CIN3 rates points to considerable levels of opportunistic screening in Ireland, but the lack of a decline in mortality adds to international evidence suggesting that opportunistic screening is ineffective.

lloyd.mudiwa@imt.ie

Date: 
5 November 2013

Click here to view the full article which appeared in Irish Medical Times

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