What is the prevalence of lentigo in the US?

Updated: Mar 16, 2020
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: William D James, MD  more...
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In America, solar lentigines are observed in as many as 90% of whites older than 60 years and in 20% of whites younger than 35 years. Psoralen plus UVA (PUVA) lentigines are noted in almost one half of individuals with psoriasis who receive PUVA therapy for at least 5 years. They may also be evident in resolving psoriatic plaques in individuals, including children, who did not receive UV therapy. [14]

Lentigo simplex is the most common form of lentigo, but its frequency has yet to be determined. Alper and Holmes [15] noted multiple lentigines in 91 (18.5%) of 492 black newborns and 1 (0.04%) of 2682 white newborns; however, histologic confirmation of these lesions was lacking.

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