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April 7, 1989

Mycosis Fungoides

Author Affiliations

University of Southern California School of Medicine Los Angeles

University of Southern California School of Medicine Los Angeles

JAMA. 1989;261(13):1882. doi:10.1001/jama.1989.03420130044019

To the Editor.—  Drs Weinstock and Horm1 have reported on 721 incident cases of mycosis fungoides diagnosed between 1973 and 1984, which were ascertained by nine population-based cancer registries that are part of the Surveillance, Epidemiology, and End Results (SEER) program of the National Cancer Institute, Bethesda, Md. Their data show a striking increase in incidence with age, a twofold greater risk for men than for women, and that blacks have twice the risk of whites.The Cancer Surveillance Program of Los Angeles County, California, is a (non-SEER) population-based cancer registry that identifies all newly diagnosed cancer cases occurring among the more than 8.5 million residents of Los Angeles County. Data have been recorded for well over 95% of the incident cancer cases occurring in county residents since 1972. We have examined data from our registry to determine whether we see similar trends to those reported by Drs Weinstock