Abstract：
Acne is a common skin disorder in adolescents. However, severe acne that is persistent and refractory to conventional treatment or has other associated symptoms should raise suspicion for non-syndromic or syndromic acne.
摘要：
痤疮是青少年常见的皮肤病。然而,对于持续性和常规治疗难以治疗或有其他相关症状的重度痤疮，应引起非综合征性或综合征性痤疮的怀疑。
