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Chronic lymphocytic leukaemia (CLL) symptoms and diagnosis

We're here for you if you want to talk

0808 2080 888

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Chronic lymphocytic leukaemia (CLL) staging

Staging describes the extent or severity of a person’s cancer.

Staging for solid cancers, like breast or lung cancer, is based on the size of the original tumour and on how much it spreads from the original site of the tumour. For conditions like leukaemia this isn’t the case, because the leukaemia cells are spread throughout the blood and bone marrow.

There are two different ways of staging CLL. They both look at the number of CLL cells in your blood, the number of affected sites of lymphoid tissue and how much your condition has affected the production of normal blood cells.

The Binet system

The system most used in Europe is called the Binet system. The Binet system has three stages (A, B and C) with C being the most advanced stage.

The Rai system

In America there is a different system called the Rai system. The Rai system has five stages (0 to IV) with IV being the most advanced stage. Rai stage 0 patients have just a raised lymphocyte count – this is similar to people with monoclonal B-cell lymphocytosis (MBL).

We're here for you if you want to talk

0808 2080 888

[email protected]