Occupational Cancer of the Renal Tract: Recent Developments In Epidemiology and Legislation In Great Britain

SUMMARY-Three recent developments in relation to occupational cancer of the renal tract are described: 1) the offer of exfoliative cytology of the urine to exposed workers, and the response} 2) a current prospective study of 41,000 male workers aged 35 years or over employed in the rubber and cable-making industries; 3) the issue of two codes regulating employment in the manufacture or use of speci~ed chemicals and prohibiting the importa-tion into the United Kingdom of certain of these substances.-J Nat Cancer Inst 43: 253-254, 1969. BECAUSE of the earlier investigations in the chemical industry (1), the manufacture of the rubber antioxidant, based on naphthyl amine and principally suspected as a renal tract carcinogen, ceased in 1949 and purchasers were advised to destroy all stocks. Despite the warning by Case in 1954 (2), the use of other carcinogenic anti