Document 0Lz54dJevdNaQg9oqjR9KqrZm

to Merevetbar, is 13.2% of these eases. Continuing this study to include December, 1954, Merewether counted 55 cases of cancer of tbe lung among 344 cases of asbestosis, raising the incidence to 1.6%. (92) Gloyne, whose work is also frequently referred to as establishing l a connection between asbestosis and cancer of tbe lung, reported in 1951 the results of bis findings on 1205 autopsied cases. This series included 132 asbestos workers, of whom 121 showed asbestosis. Cancer of tbe lung was present in 14.1% of these asbestosis cases. In 1941. Nordm&nn and Sorge claimed to have produced lung cancer in mice which they exposed to asbestos dust. Since 1951, additional cases of cancer of tbo lung coexisting with asbestosis have been reported, and, according to Hueper about 100 such cases had been reported up to 1955. As a result, an associa tion between the two diseases appears to have been accepted by many authors and several writers were using the term "asbestosis cancer" of (205) tbe lung. Werber in 1952, stated categorically that in 7% to 17% of cases of asbestosis, after a latent period of about l l/Z to 20 years, carcinoma becomes established in the lung. On the other hand, sot all authors accepted the alleged associa- , (177) tion without reservation. Saupe in 1939 had reported that be had discovered no cases of lung cancer among 620 cases of asbestosis which (104) be bad examined; and in 1942, Holleb and AngrisC expressed the opinion that the number of cases of asbestosis with lung cancer was too