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Query: UMLS:C0026986 (myelodysplastic syndrome)
 14,926 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Pneumoconiosis is the most common occupational disease of the respiratory system. The aim of this paper is presentation of case of pneumoconiosis coexisting with myelodysplastic syndrome in a former coal miner occupationally exposed to coal dust. In a mineral coal miner, aged 56 year, with a 15-year duration of work underneath, suffering from pneumoconiosis, pancytopenia was detected. He was admitted to the hospital, where myelodysplastic syndrome was diagnosed. The patient's condition was gradually worsening, even though chemotherapy was applied, he died from thrombocytopenia manifested by bleeding from the digestive tract in a relatively short time since diagnosis. The presented case seems to be interesting not only in view of possible development of pneumoconiosis as a result of occupational exposure to coal dust, typical in this case, but also in view of the occurrence of clonal disease of blood several years after cessation of exposure.
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PMID:[Coexistence of pneumoconiosis with myelodysplastic syndrome in a coal miner occupationally exposed to coal dust]. 1599 3

Benzene-caused hematologic neoplasms may be recognized as an occupational disease (OD) according to the German ordinance on ODs. At present, the OD No. 1303 covers heterogeneous diseases and various chemical agents triggering these diseases. The members of the medical advisory board specializing in ODs within the Ministry of Employment and Social Affairs recently proposed excluding "diseases of the blood, the hematopoietic and lymphatic system caused by benzene" from OD No. 1303 and classifying them as a separate OD. Benzene is generally acknowledged as a cause of acute myeloid leukemia, proven by numerous epidemiologic studies. However, there is less epidemiologic evidence of its association with other hematologic neoplasms, notably non-Hodgkin's lymphoma (NHL). To clarify this issue, the experts evaluated international literature and concluded that all kinds of myeloid and lymphoid malignancies including their prestages can be caused by occupational benzene exposure. Hence, physicians should ask patients about occupational benzene exposure and report any kind of diagnosed hematologic neoplasms, including their prestages, as suspected OD. The advisory board considered that a dose range starting from 10 ppm-years (cumulative benzene exposure) is sufficient for a > 50% probability of causing leukemias according to the WHO classification, including chronic lymphatic leukemia, and the potential preleukemias aplastic anemia and myelodysplastic syndrome, but excluding chronic myeloid leukemia (CML). For NHL and myeloproliferative diseases (including CML) the present epidemiologic evidence is considered not to be sufficient to describe a precise dose-effect relationship.
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PMID:[Paradigm change in the assessment of myeloid and lymphoid neoplasms associated with occupational benzene exposure]. 1933 9