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Treatment: Treating CIN

Mild CIN may not require treatment but more severe CIN or persistent mild CIN may need treatment to destroy or remove the area of abnormal tissue (the transformation zone). The main methods are LLETZ (large loop excision of the transformation zone) and cone biopsy. All treatments are carried out through the vagina, and it is usual to have slight bleeding or a discharge for a few days afterwards.

Location

LLETZ (large loop excision)

This is used mainly when the abnormal tissue is localized around the opening of the cervix. It uses a heated wire loop to remove the abnormal tissue, and is usually done under local anaesthesia.

Cone biopsy

This method is used when the abnormal tissue extends in towards the uterus. In the procedure, done under either local or general anaesthesia, a larger cone-shaped area of the cervix is removed.

From the 2010 revision of the Complete Home Medical Guide © Dorling Kindersley Limited.

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