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Rare lymphocytic leukemias
The World Health Organization (WHO) uses the criteria below to classify a cancer that starts in lymphocytes as a lymphoma, a lymphocytic leukemia or a leukemia/lymphoma. They differ in where the abnormal lymphocytes are found.
- If the abnormal lymphocytes are found mainly in the blood or bone marrow, it is considered leukemia.
- If tumours develop in the lymph nodes or other organs, it is considered a lymphoma.
- If the disease is found in the blood or bone marrow and as a tumour, it is considered a leukemia/lymphoma.
Find out more about the following rare types of cancer that start from lymphocytes:
- prolymphocytic leukemia (PLL)
- T-cell large granular lymphocytic leukemia (TLGL)
- aggressive NK-cell leukemia (ANKL)
- adult T-cell leukemia/lymphoma (ATLL)
- Sezary syndrome (the leukemia type of cutaneous T-cell lymphoma)
Stories
I was in total shock when I heard the diagnosis of cancer. Cancer to me was an adult’s disease. Being a 13-year-old teenager, it certainly wasn’t even on my radar.
How can you stop cancer before it starts?
Discover how 16 factors affect your cancer risk and how you can take action with our interactive tool – It’s My Life! Presented in partnership with Desjardins.
