What is the prevalence of seborrheic keratosis in the US?

Updated: Oct 14, 2020
  • Author: Arthur K Balin, MD, PhD, FACP; Chief Editor: William D James, MD  more...
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Seborrheic keratoses are the most common benign tumor in older individuals. The frequency appears to increase with age. In 1963, Tindall and Smith examined a population of individuals older than 64 years in North Carolina and found that 88% of the people had at least one seborrheic keratosis. [18] In this study, 38% of the white women, 54% of the white men, and 61% of the black men and women were found to have 10 or more seborrheic keratoses. In 1965, Young examined 222 residents of the Orthodox Jewish Home for the Aged in New York and found that 29.3% of the men and 37.9% of the women had seborrheic keratosis.

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