Fiberglass dermatitis in Japan--report of four cases.

Four cases of fiberglass dermatitis are reported. In all the cases, severe pruritic eruptions were caused by handling fiberglass. The patients developed various skin manifestations including papulomacules, excoriative papules, and scaly pigmented macules. H.E. staining of the macular lesions on the forearm demonstrated fiberglass spicules. Their co-workers also suffered from similar skin symptoms. All our cases improved rapidly after avoiding directly touching fiberglass. Rubbed fiberglass sticks into the skin. Several clinical aspects of fiberglass dermatitis including its prevention are described, together with a review of the literature.