Abstract：
We report the case of a 20-year-old man with acne conglobata (AC) who was treated with 5-aminolevulinic acid photodynamic therapy (ALA-PDT) sequentially to deroofing, and finally used fractional carbon dioxide laser for esthetic requirements, achieving satisfying results. AC is a severe form of acne vulgaris that can lead to significant scarring and has serious negative effects on a patient\'s psychological well-being and quality of life. Some cases are likely resistant to currently available treatments. This report describes a promising, and effective method for the treatment of AC.
摘要：
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