Types of blood cancer Information about blood cancers and blood disorders, including diagnosis and treatment. Leukaemia These cancers develop in the bone marrow, disrupting normal blood cell functions. Leukaemia Lymphoma Lymphomas develop in the lymphatic system, weakening important immune functions. Lymphoma Myeloma Myeloma develops in the plasma cells, impacting bones and blood. Myeloma Myelodysplastic syndromes (MDS) MDS affects the production of normal blood cells in the bone marrow. Myelodysplastic syndromes (MDS) Myeloproliferative neoplasms (MPN) Myeloproliferative neoplasms (MPN) is a rare group of blood cancers. Myeloproliferative neoplasms (MPN) Amyloidosis This blood disorder can affect your body’s organs and tissues. Amyloidosis Waldenstrom’s macroglobulinaemia (WM) WM closely resembles slow growing (indolent) lymphoma and symptoms may develop over time. Waldenstrom’s macroglobulinaemia (WM) Aplastic anaemia This rare non- cancerous blood disorder affects normal bone marrow and blood cell function. Aplastic anaemia Childhood blood cancers Certain blood cancers are prevalent among children. Childhood blood cancers Understanding your blood and bone marrow function Learn about your blood, bone marrow, and lymphatic system. What is blood? Learn about the components of your blood.