Asbestosis Following Brief Exposure in Cigarette Filter Manufacture

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Abstract
Severe asbestosis was found on lung biopsy in a 47-year-old woolen mill worker, who, 16 years before, was exposed to asbestos dust for a period of only 9 months. He made cigarette filters which consisted of a mixture of CapeBlue asbestos and acetate. The presenting symptom of dyspnea on exertion and classic radiographic changes first became evident 13 years later. Characteristic pathophysiologic findings of restrictive insufficiency and diffusing impairment were demonstrated. Pulmonary insufficiency progressed over a 2-year period to total disability.

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