What are the racial predilections of polymorphous light eruption (PMLE)?

Updated: Jan 22, 2020
  • Author: Saud A Alobaida, MBBS, FRCPC; Chief Editor: Dirk M Elston, MD  more...
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Answer

PMLE affects all racial skin types. In a Scandinavian/Mediterranean study, PMLE was more common in patients with Fitzpatrick skin type I. The papular variant can involve the face and seems most common in patients with Fitzpatrick skin types III-VI. [29, 30]

In a study of 280 American patients with photodermatoses, [31] one hundred thirty-five (48%) were African Americans, 110 (40%) were white, and 35 (12%) were patients of other races. They noted a statistically significantly higher proportion of African Americans with PMLE compared with whites.

One study of a cohort of 229 patients with photodermatoses reported that 63 (42.2%) were white and 138 (46.6%) were African American and PMLE was present in 54% and 86.2%, respectively (P< .0001) [32] ; thus, the researchers suggested that PMLE occurs more frequently in African Americans.


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