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Dermatosis papulosa nigra.

P E Grimes, S Arora, H R Minus

|October 1, 1983

Summary

This summary is machine-generated.

Dermatosis papulosa nigra (DPN) affects 77% of Black patients studied, predominantly women. Family history and age in the sixties were significant factors in DPN occurrence.

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Area of Science:

Dermatology
Epidemiology

Background:

Dermatosis papulosa nigra (DPN) is a common skin condition.
Previous studies have documented its occurrence in Black populations.

Purpose of the Study:

To assess the incidence and natural history of DPN.
To investigate demographic and familial factors associated with DPN.

Main Methods:

Retrospective analysis of 82 Black patients.
Data collection on patient demographics, family history, and lesion characteristics.

Main Results:

Overall incidence of DPN was 77% in the study population.
A 2:1 predominance of DPN was observed in women.
Peak incidence and lesion count occurred in patients in their sixties.

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Fair-complexioned Black individuals showed the lowest frequency of involvement.

54% of affected patients reported a positive family history of DPN.

Conclusions:

DPN is highly prevalent in the studied Black population.
Familial aggregation and age are key factors in DPN development.
The observed incidence in this cohort is higher than previously reported.