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There is no single, definitive known cause for Acute Myeloid Leukemia (AML). However, the factors believed to contribute to AML development can be examined under two main categories:
1. Genetic Factors:
Genetic causes are generally not congenital or hereditary. The genetic abnormalities observed in AML are largely acquired at some point during an individual's life. These abnormalities can occur in one or several of the genes that make up chromosomes. Sometimes, structural changes such as chromosome breaks or the translocation of broken fragments to another chromosome can also be seen. Such genetic changes can lead to the uncontrolled proliferation and cancerous transformation of cells, ultimately resulting in the development of leukemia.
2. Environmental Factors and Other Causes:
* High-Dose Radiation Exposure: Can increase the risk of AML, often many years after exposure.
* Chemicals and Toxins: Exposure to certain chemicals that damage cell structure, such as tobacco smoke and benzene.
* Pre-existing Blood Disorders: The incidence of leukemia development increases in certain blood disorders characterized by bone marrow failure, such as myelodysplastic syndromes.
* Chemotherapy: In patients who have received chemotherapy for another type of cancer, the risk of treatment-related leukemia may emerge in later years.
* Viruses: Some viruses are thought to potentially trigger the development of leukemia.
What are the causes of acute myeloid leukemia (AML)?
1. Genetic Factors:
Genetic causes are generally not congenital or hereditary. The genetic abnormalities observed in AML are largely acquired at some point during an individual's life. These abnormalities can occur in one or several of the genes that make up chromosomes. Sometimes, structural changes such as chromosome breaks or the translocation of broken fragments to another chromosome can also be seen. Such genetic changes can lead to the uncontrolled proliferation and cancerous transformation of cells, ultimately resulting in the development of leukemia.
2. Environmental Factors and Other Causes:
* High-Dose Radiation Exposure: Can increase the risk of AML, often many years after exposure.
* Chemicals and Toxins: Exposure to certain chemicals that damage cell structure, such as tobacco smoke and benzene.
* Pre-existing Blood Disorders: The incidence of leukemia development increases in certain blood disorders characterized by bone marrow failure, such as myelodysplastic syndromes.
* Chemotherapy: In patients who have received chemotherapy for another type of cancer, the risk of treatment-related leukemia may emerge in later years.
* Viruses: Some viruses are thought to potentially trigger the development of leukemia.