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2. Leukemia - Wikipedia

   en.wikipedia.org/wiki/Leukemia

   353,500 (2015) [8] Leukemia ( also spelled leukaemia and pronounced / luːˈkiːmiːə / [1] loo-KEE-mee-ə) is a group of blood cancers that usually begin in the bone marrow and result in high numbers of abnormal blood cells. [9] These blood cells are not fully developed and are called blasts or leukemia cells. [2]

3. Anaplastic large-cell lymphoma - Wikipedia

   en.wikipedia.org/wiki/Anaplastic_large-cell_lymphoma

   Micrograph of an anaplastic large-cell lymphoma. H&E stain. Anaplastic large-cell lymphoma ( ALCL) refers to a group of non-Hodgkin lymphomas in which aberrant T cells proliferate uncontrollably. Considered as a single entity, ALCL is the most common type of peripheral lymphoma [1] and represents ~10% of all peripheral lymphomas in children. [2]

4. Heavy chain disease - Wikipedia

   en.wikipedia.org/wiki/Heavy_chain_disease

   Heavy chain disease. Heavy chain disease is a form of paraproteinemia and plasma cell dyscrasia that involves the proliferation of cells producing immunoglobulin heavy chains. [1] This disease is characterized by an excessive production of heavy chains that are short and truncated. These heavy chain disease proteins have various deletions ...

5. Lymphoproliferative disorders - Wikipedia

   en.wikipedia.org/wiki/Lymphoproliferative_disorders

   Lymphoproliferative disorders ( LPDs) refer to a specific class of diagnoses, comprising a group of several conditions, in which lymphocytes are produced in excessive quantities. These disorders primarily present in patients who have a compromised immune system. Due to this factor, there are instances of these conditions being equated with ...

6. Immunoproliferative disorder - Wikipedia

   en.wikipedia.org/wiki/Immunoproliferative_disorder

   In immunology, immunoproliferative disorders are disorders of the immune system that are characterized by the abnormal proliferation of the primary cells of the immune system, which includes B cells, T cells and natural killer (NK) cells, or by the excessive production of immunoglobulins (also known as antibodies). [citation needed]

7. Hairy cell leukemia - Wikipedia

   en.wikipedia.org/wiki/Hairy_cell_leukemia

   Hairy cell leukemia is an uncommon hematological malignancy characterized by an accumulation of abnormal B lymphocytes. It is usually classified as a subtype of chronic lymphocytic leukemia (CLL). Hairy cell leukemia makes up about 2% of all leukemias, with fewer than 2,000 new cases diagnosed annually in North America and Western Europe combined.