Question: A 54-year-old male worker presents with scleroderma-like changes in the fingers with underlying erosive appearing lesions of the distal most phalanges on x-ray. In addition, the patient describes circulatory changes consistent with Raynaud’s phenomena. This clinical picture is consistent with occupational exposure to which industrial chemical.
Answer: Vinyl chloride (Kielhorn J et. al. Vinyl chloride: Still a cause for concern. 2000 Env Helath Perspect 108:579-588)