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Cervical Dysplasia

Definition

Cervical dysplasia is the abnormal growth of cells on the surface of the cervix. Although this is not cancer, it is considered a precancerous condition.

Cervical dysplasia is grouped into three categories:

  • CIN I -- mild dysplasia (only the lower one-third of cells in the upper layer of the cervix are abnormal)
  • CIN II -- moderate to marked dysplasia (up to two-thirds of the layer contains abnormal cells)
  • CIN III -- severe dysplasia to carcinoma in situ (precancerous cells are in the entire top layer of the cervix)

Symptoms

There are usually no symptoms.

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