Clinical, cosmetic and investigational dermatology · 2025
Successful Treatment of Facial Multiple Melanocytic Nevus-Like Dark Macules Caused by Severe Acne Vulgaris by a Single Session of Intense Pulsed Light Treatment.
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Yang Jinxiang, Shen Jinwen, Kong Yuwei, Wang Lei, Yao Zhirong, Liang Jianying, Yu Xia
Аннотация
BACKGROUND AND OBJECTIVE: The case report aims to demonstrate the therapeutic effects of a single session of intense pulsed light (IPL) treatment on facial multiple melanocytic nevus-like dark macules induced by severe acne vulgaris.
MATERIALS AND METHODS: A 17-year-old male with acne was assessed as Pillsbury IV according to the Pillsbury classification. After three sessions of photodynamic therapy (PDT), he experienced an increase in number and darkening of facial melanocytic nevus-like dark macules. We attempted to use broadband light (BBL) (SCITON Company, USA) (420nm, 8J, 180ms; 515nm, 13J, 20ms; 560nm, 16J, 24ms; 590nm, 16J, 24ms) therapy to improve post-inflammatory erythema (PIE) and post-inflammatory hyperpigmentation (PIH). Following a baseline assessment, we performed a single session of IPL treatment on the patient and evaluated the changes in melanocytic nevus-like dark macules, PIE, PIH, and sebum secretion through standardized photography.
RESULTS: Compared to the baseline, we observed a significant reduction of the patient's melanocytic nevus-like dark macules and a significant improvement in PIE, PIH, and sebum secretion after a single IPL treatment.
CONCLUSIONS: This study provides preliminary evidence of the effects of IPL treatment on melanocytic nevi associated with severe acne vulgaris. Further research is warranted to elucidate the underlying mechanisms and promote the wider application of this treatment modality in managing acne sequelae.
MATERIALS AND METHODS: A 17-year-old male with acne was assessed as Pillsbury IV according to the Pillsbury classification. After three sessions of photodynamic therapy (PDT), he experienced an increase in number and darkening of facial melanocytic nevus-like dark macules. We attempted to use broadband light (BBL) (SCITON Company, USA) (420nm, 8J, 180ms; 515nm, 13J, 20ms; 560nm, 16J, 24ms; 590nm, 16J, 24ms) therapy to improve post-inflammatory erythema (PIE) and post-inflammatory hyperpigmentation (PIH). Following a baseline assessment, we performed a single session of IPL treatment on the patient and evaluated the changes in melanocytic nevus-like dark macules, PIE, PIH, and sebum secretion through standardized photography.
RESULTS: Compared to the baseline, we observed a significant reduction of the patient's melanocytic nevus-like dark macules and a significant improvement in PIE, PIH, and sebum secretion after a single IPL treatment.
CONCLUSIONS: This study provides preliminary evidence of the effects of IPL treatment on melanocytic nevi associated with severe acne vulgaris. Further research is warranted to elucidate the underlying mechanisms and promote the wider application of this treatment modality in managing acne sequelae.