An analysis of chromium,copper, and zinc in organs of a chromate worker |
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| Authors: | Mr Keisuke Hyodo Shosuke Suzuki Nobuhiko Furuya Keisuke Meshizuka |
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| Institution: | (1) Department of Human Ecology, School of Health Sciences, Faculty of Medicine, University of Tokyo, Hongo, 113 Bunkyo-ku, Tokyo, Japan;(2) Department of Otorhinolaryngology, Faculty of Medicine, University of Tokyo, Hongo, 113 Bunkyo-ku, Tokyo, Japan;(3) Present address: School of Public Health, University of Texas, 77025 Houston, TX, USA;(4) Present address: Department of Neurology, School of Medicine, The Center for the Health Sciences, University of California, 90024 Los Angeles, CA, USA;(5) Department of Physical Education, University of Tokyo, 3-5-1 Komaba, 150 Meguroku, Tokyo, Japan |
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| Abstract: | Summary The content of chromium, copper, and zinc and the valency of chromium were measured in organs of a chromate worker who had been exposed to a considerable amount of hexavalent chromium for 30 years and died of maxillary and lung cancer 10 years after his retirement. The chromium in the lung of the worker averaged 3,555 ppb on a wet tissue weight basis, while those in the lung of five controls were 86.0–399 ppb. Organs other than the lung of the worker also had more chromium than those of the controls. The amounts of copper and zinc did not vary as widely as did chromium. The ratio of hexavalent chromium to total chromium was 29.3% in the lung of the worker and 12.9 to 38.7% in controls, and its ratio in the lung was lower than that in the other organs. |
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| Keywords: | Chromium Cancer Hexavalent chromium Trivalent chromium Chromate worker |
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