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The Curious Bag
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Myelodysplastic syndrome is a group of disorders that result in an insufficient amount of blood cells being produced by the bone marrow. Although myelodysplastic syndrome is not a cancer, some sufferers will develop a form of leukemia.
Types
There are two commonly recognized forms of myelodysplastic syndrome: primary (or de novo) and secondary. The cause of primary myelodysplastic syndrome is unknown; secondary myelodysplastic syndrome most often results after exposure to certain chemicals and environmental toxins.
Chemotherapy and Radiation
The National Cancer Institute advises that past treatment with chemotherapy and radiation may cause myelodysplastic syndrome. The chemical exposure can suppress the growth of healthy blood cells.
Environmental Toxins
Additional causes of secondary myelodysplastic syndrome include environmental toxins, such as tobacco smoke, pesticides and benzene. Those working in industrial plants producing chemicals, paint, pesticides or paper and pulp may be at higher risk for developing myelodysplastic syndrome.
Heavy Metals
Prolonged exposure to heavy metals, such as mercury and lead, is another known cause of myelodysplastic syndrome.
Infections and Heredity
Although more research is needed for confirmation, both viral infections and genetic links are believed to cause some cases of myelodysplastic syndrome.
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