The Incidence of Cancer in Dallas and Fort Worth, Texas, and Surrounding Counties, 1938

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Abstract
The annual crude prevalence rate of cancer of all sites among residents of Dallas and Tarrant Counties, Texas, was 394 per 100,000 population in 1938. This rate is based on 2,381 cases of cancer, the total number of unduplicated resident cases seen by a physician or hospital in this area or dying of cancer in these counties. The above rate is higher than ones found in earlier studies of Atlanta, Chicago, Detroit, and Pittsburgh, but lower than that found for New Orleans. This is because of a decidedly high prevalence of cancer of the skin (140 per 100,000 compared with 24 in Chicago, 25 in Pittsburgh, 37 in Detroit, 129 in New Orleans, and 157 in Atlanta). Although over 2/3 of all the cases were among persons between the ages of 40 and 69, there were 153 cases among persons under 30 yrs. of age, 48 of whom were under 20. Primary sites of cancer vary with sex and age, and duration and fatality of cases vary with primary sites. At least 23% of the cancer cases died within 1 yr. of the date first diagnosed. Over 1/10 were earlier "cured" cases which remained under observation during 1938 without recurrence of the malignancy. 8% of these "cured" cases (31 cases) had been under observation with no recurrence for 5 yrs. or more. The rate of incidence of cancer among residents of the area in this yr. (new cases) was 255 per 100,000. This rate, like the prevalence rate, is higher than those for most other cities studied.

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