This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Go to /pro/cpd-dashboard page

This page is worth 0.05 CPD credits. CPD dashboard

Go to /account/subscription-details page

This page is worth 0.05 CPD credits. Upgrade to Pro

Natural history

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The histologic grade is a guide to the likely outcome of the dysplastic changes:

  • CIN 1:
    • 50% resolve spontaneously
    • 20% progress to higher grades of dysplasia
    • 30% show no change, or change too slowly to be detected

  • CIN 2:
    • 33% resolve spontaneously
    • 33% progress
    • 33% show no change

  • CIN 3:
    • untreated, 20-30% develop carcinoma within 10 years
    • treated, 12% develop carcinoma within 30 years

Related pages

Create an account to add page annotations

Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.