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Cervical cancer

Eighty-five percent of cervical cancer develops from the epithelium in the transformation zone. This is the area between the ectocervix and the endocervix (cervical canal).

Epithelium in the transformation zone consists mainly of thin metaplastic epithelium, and is more susceptible to the influence of oncogenes than mature squamous epithelia.

The remaining 15% originate from the glandular epithelium in the cervical canal.


In 2013, there where 282 new cases of uterine cancer diagnosed i Norway. The average age at diagnosis is 52 years.

Systematic screening of all woman every 3rd may diagnose cellular changes, and allow for pre-cancerous changes to be found early and treated before developing into cancer


Age-specific incidence of cervical cancer, 2009–2013.

Source: Cancer Registry of Norway



Incidence of cervical cancer, 1954–2013.

Source: Cancer Registry of Norway


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