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Multiple synchronous primary malignancies induced by benzene exposure: a case report

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Author(s): Wang Pingli | Zhang Gensheng | Shen Huahao

Journal: Journal of Occupational Medicine and Toxicology
ISSN 1745-6673

Volume: 4;
Issue: 1;
Start page: 7;
Date: 2009;
Original page

ABSTRACT
Abstract Background Chronic exposure to high concentrations of benzene is usually associated with the development of haematological diseases. However, solid tumors induced by benzene exposure are less frequent. Case presentation We present an unusual case of triple synchronous primary malignancies most likely induced by occupational benzene exposure in a male patient. This spray painter was diagnosed as chronic aplastic anemia in his 21 years old after exposing to high concentration of benzene for three years. Then he was treated with glucocorticoid for four years. 40 years later, this patient developed three synchronous primary neoplasms with three different histologies including a basaloid squamous cell carcinoma of the esophagus, primary hepatocellular carcinoma, and well-differentiated squamous cell carcinoma of the gum. Conclusion This case reminds us that the occurrence of solid tumors should be monitored in workers with occupational history linked with a high concentration exposure to benzene, though it's rarely happened.

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