Treatment Outcomes for Dermatosis Papulosa Nigra Using Low-Intensity Electrodesiccation Device in African Patients

Area of Science:

• Dermatology
• Dermatologic Surgery

Background:

• Dermatosis Papulosa Nigra (DPN) is a common condition, particularly in individuals with darker skin tones.
• Traditional treatments for DPNs, such as lasers and cryotherapy, carry risks for darker skin types and can be expensive.

Purpose of the Study:

• To evaluate the efficacy and safety of low-intensity electrodesiccation for treating DPNs in an African patient cohort.
• To compare low-intensity electrodesiccation with other available treatment modalities for DPNs, considering skin type and cost-effectiveness.

Main Methods:

• Retrospective analysis of patient records using nonprobability convenience sampling.
• Inclusion criteria focused on African patients treated with low-intensity electrodesiccation for DPNs.
• Statistical analysis included chi-squared tests, Kaplan-Meier survival analysis, and logistic regression.

Main Results:

• The study included 137 patients, predominantly female (94.16%) and Fitzpatrick skin type V (72.26%).
• The majority of patients were under 40 years of age (54.00%).
• Minor adverse events like milia (n=4) and scarring (n=2) were recorded and not significantly associated with patient demographics or survival rates.

Conclusions:

• Low-intensity electrodesiccation is a safe and cost-effective treatment option for DPNs in African patients.
• The findings suggest this technique is well-tolerated, even in patients with darker skin types.
• Further research at multiple centers is recommended to generalize these findings.