• O Yamamoto, D Nishio, and N Tokui.
• Department of Dermatology, School of Medicine, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyusyu 807-8555, Japan.
• J. UOEH. 2001 Jun 1; 23 (2): 169-80.

AbstractCement, in particular Portland cement, is now widely used in the field of civil engineering and the construction industry. High alkalinity of wet cement and its tiny content of water-soluble chromate can cause occupational skin diseases. In this paper, we report four cases of contact dermatitis by cement and two cases of cement burn. The occupation of the patients included two plasterers, a truck driver, a manufacturer of cement ware and two construction workers. Skin of the hands and fingers of the cement dermatitis cases was dry and fissured, and had hyperkeratotic papules and erythemas or acute exudative eczematous lesions. In one of these cases, the eczematous lesions spread to the face, extremities and trunk. All cases resulted in a positive patch testing for sodium dichromate. The cement burn cases developed severe necrotic ulcers on the leg and/or foot following prolonged contact with wet cement inside their boots. Patch testing was negative for chromate. A field trip to a construction worksite showed that method of working as well as worker's clothing at present could not thoroughly protect the skin. Therefore we concluded that better protective clothing and gloves should be used and that working conditions be improved. Most skin diseases caused by cement occur among workers at small-scale enterprises. Therefore it is desirable that regional occupational health centers, which were established to promote the health care system for workers at small-scale enterprises, take prompt measures to avoid the skin diseases.

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