Experimental induction of freckles by ultraviolet-B

Freckles were induced experimentally by single exposures of lower back skin to ultraviolet radiation. The minimal freckling dose was between 6 and 10 times the minimal erythema dose. Repeated less intense exposures did not induce freckles. Freckles could be induced only in subjects with natural frec...

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Bibliographic Details
Published inBritish journal of dermatology (1951) Vol. 106; no. 4; p. 401
Main Authors Wilson, P D, Kligman, A M
Format Journal Article
LanguageEnglish
Published England 01.04.1982
Subjects
Adolescent
Adult
Dose-Response Relationship, Radiation
Humans
Melanosis - etiology
Melanosis - pathology
Ultraviolet Rays - adverse effects
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Summary:Freckles were induced experimentally by single exposures of lower back skin to ultraviolet radiation. The minimal freckling dose was between 6 and 10 times the minimal erythema dose. Repeated less intense exposures did not induce freckles. Freckles could be induced only in subjects with natural freckles on exposed skin. Freckles induced by single exposures to ultraviolet radiation have distinctive characteristics which enable their clinical recognition. We have called these "sunburn freckles".
ISSN:0007-0963
DOI:10.1111/j.1365-2133.1982.tb04531.x