[Dermatological findings in the annual examination of the patients with Yusho in 1995-1996].

We reported the grades of severity of skin symptoms and the blood PCB patterns and concentrations in Yusho patients who had the annual examinations in 1995 and 1996. The skin severity grades and the skin severity scores showed the same tendency as recorded in the last 10 years. Yusho patients who were scored as more than 6.7 were around 8% of the total patients both in 1995 and 1996. The correlation between the blood PCB patterns and the severity grades of skin symptoms was clear. Thus, the mean skin severity scores in patients showing A pattern were higher than those in patients showing either B or C pattern. The same results were obtained when the correlation between the blood PCB patterns and the skin severity grades was analyzed. Patients whose ages were 50-70 years old were found to show the highest blood PCB concentrations and the skin severity scores.