PDGFRB-associated chronic eosinophilic leukemia
Dernière mise à jour 2 Oct 2024
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PDGFRB-associated chronic eosinophilic leukemia is a type of cancer of blood-forming cells. It is characterised by an elevated number of white blood cells called eosinophils in the blood. These cells help fight infections by certain parasites and are involved in the inflammation associated with allergic reactions. However, these circumstances do not account for the increased number of eosinophils in PDGFRB-associated chronic eosinophilic leukemia. Some people with this condition have an increased number of other types of white blood cells, such as neutrophils or mast cells, in addition to eosinophils. People with this condition can have an enlarged spleen (splenomegaly) or enlarged liver (hepatomegaly). Some affected individuals develop skin rashes, likely as a result of an abnormal immune response due to the increased number of eosinophils.
Description
PDGFRB-associated chronic eosinophilic leukemia is a type of cancer of blood-forming cells. It is characterised by an elevated number of white blood cells called eosinophils in the blood. These cells help fight infections by certain parasites and are involved in the inflammation associated with allergic reactions. However, these circumstances do not account for the increased number of eosinophils in PDGFRB-associated chronic eosinophilic leukemia. Some people with this condition have an increased number of other types of white blood cells, such as neutrophils or mast cells, in addition to eosinophils. People with this condition can have an enlarged spleen (splenomegaly) or enlarged liver (hepatomegaly). Some affected individuals develop skin rashes, likely as a result of an abnormal immune response due to the increased number of eosinophils.
Inheritance patterns
The source lists the following possible inheritance patterns: Pattern unknown. More than one pattern can apply in different cases.
Related genes
Other names
Chronic myelomonocytic leukemia with eosinophilia associated with t(5;12)
Myeloid neoplasms associated with PDGFRB rearrangement
Myeloid neoplasms with PDGFRB rearrangement
Myeloid/lymphoid neoplasms with PDGFRB rearrangement
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Lectures complémentaires et références
- PDGFRB-associated chronic eosinophilic leukemia; MedlinePlus, National Library of Medicine.
- Apperley JF, Gardembas M, Melo JV, Russell-Jones R, Bain BJ, Baxter EJ, Chase A, Chessells JM, Colombat M, Dearden CE, Dimitrijevic S, Mahon FX, Marin D, Nikolova Z, Olavarria E, Silberman S, Schultheis B, Cross NC, Goldman JM. Response to imatinib mesylate in patients with chronic myeloproliferative diseases with rearrangements of the platelet-derived growth factor receptor beta. N Engl J Med. 2002 Aug 15;347(7):481-7. doi: 10.1056/NEJMoa020150.
- Arefi M, Garcia JL, Penarrubia MJ, Queizan JA, Hermosin L, Lopez-Corral L, Megido M, Giraldo P, de las Heras N, Vanegas RJ, Gutierrez NC, Hernandez-Rivas JM. Incidence and clinical characteristics of myeloproliferative neoplasms displaying a PDGFRB rearrangement. Eur J Haematol. 2012 Jul;89(1):37-41. doi: 10.1111/j.1600-0609.2012.01799.x.
- Chang H, Chuang WY, Sun CF, Barnard MR. Concurrent acute myeloid leukemia and T lymphoblastic lymphoma in a patient with rearranged PDGFRB genes. Diagn Pathol. 2012 Feb 22;7:19. doi: 10.1186/1746-1596-7-19.
- Cross NC, Reiter A. Fibroblast growth factor receptor and platelet-derived growth factor receptor abnormalities in eosinophilic myeloproliferative disorders. Acta Haematol. 2008;119(4):199-206. doi: 10.1159/000140631. Epub 2008 Jun 20.
- Galimberti S, Ferreri MI, Simi P, Azzara A, Barate C, Fazzi R, Cecconi N, Cervetti G, Guerrini F, Petrini M. Platelet-derived growth factor beta receptor (PDGFRB) gene is rearranged in a significant percentage of myelodysplastic syndromes with normal karyotype. Br J Haematol. 2009 Dec;147(5):763-6. doi: 10.1111/j.1365-2141.2009.07878.x. Epub 2009 Sep 16. No abstract available.
- Gotlib J. Eosinophilic myeloid disorders: new classification and novel therapeutic strategies. Curr Opin Hematol. 2010 Mar;17(2):117-24. doi: 10.1097/MOH.0b013e3283366c70.
- Gotlib J. World Health Organization-defined eosinophilic disorders: 2012 update on diagnosis, risk stratification, and management. Am J Hematol. 2012 Sep;87(9):903-14. doi: 10.1002/ajh.23293.
- Haferlach C, Bacher U, Schnittger S, Alpermann T, Zenger M, Kern W, Haferlach T. ETV6 rearrangements are recurrent in myeloid malignancies and are frequently associated with other genetic events. Genes Chromosomes Cancer. 2012 Apr;51(4):328-37. doi: 10.1002/gcc.21918. Epub 2011 Dec 8.
- Noel P. Eosinophilic myeloid disorders. Semin Hematol. 2012 Apr;49(2):120-7. doi: 10.1053/j.seminhematol.2012.01.008.
- Zhou MH, Gao L, Jing Y, Xu YY, Ding Y, Wang N, Wang W, Li MY, Han XP, Sun JZ, Wang LL, Yu L. Detection of ETV6 gene rearrangements in adult acute lymphoblastic leukemia. Ann Hematol. 2012 Aug;91(8):1235-43. doi: 10.1007/s00277-012-1431-4. Epub 2012 Feb 29.
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