1Expert consensus on microneedle therapy for melasmaProfessional Board of Microneedle,Dermatology Branch of Chinese Association of Plastics and Aesthetics, Medical Aesthetics and Cosmetology Branch of Chinese Medical AssociationGuidelines and consensus193-1972Correlation between serum eotaxin-2 and MMP-9 levels and disease severity in patients with bullous pemphigoidZHANG Haixiang, LIU Guili, ZHAO Zishen, QIN LanyingOriginal articles198-201,2523Clinical features of 57 cases of lichen striatus in childrenDENG Wei, SU Wei, ZHANG Gaolei, JIANG Lixiao, LIU Xiaoyan, CHEN JianyouOriginal articles202-2064Clinical manifestations and histopathological analysis of 15 cases of lipodystrophia centrifugalis abdominalisLIANG Jinkai, CHEN Fengming, WANG LeiOriginal articles207-2105An epidemiological analysis of syphilis at dermatology and venereology clinic in a general hospitalLIU Jing, AN Rongzhen, GUO KeClinical studies211-213,封36Efficacy and safety of guselkumab in treating moderate-to-severe plaque psoriasis with inadequate response to other biologicsZHANG Yiwen, DU Na, YANG Jingyi, LV Xinyan, WANG Yixi, MIN WeiClinical studies214-2167Analysis on the sun protection practices of officers and soldiers in certain reef garrison unitFU Xingwu, WANG Yulian, CAI Qiya, WANG Wen, BI XinlingClinical studies217-2208Research progress on microneedling therapy for hair lossZHAO Liangsen, ZHANG Zerong, LIAO YongReviews221-225,2409Research progress on mechanisms of Cutibacterium acnes inducing acne vulgaris via Th17 inflammatory pathwayWANG Yunong, SUN Yanan, REN Xing, ZHOU Na, WANG YiReviews226-23010Application progress of microneedling in the treatmen of scars and striae distensaeZHANG Zerong, CHEN Yurong, LIAO YongReviews231-234,24011Recent advances of JAK inhibitors in the treatment of alopecia areataYANG Jiao, CUI Bingnan, XU ChenchenReviews235-24012The clinical experience of professor Bian Tianyu on the treatment of vitiligoYU Jipeng, MA Ze, LIU Lvye, YAO Xinyi, YANG Xinya, ZHANG JunlingTraditional Chinese medicine241-243,25613Rheumatoid neutrophilic dermatitis:a case reportLIN Jie, CHEN Siyuan, FANG MupingCase reports244-24614Primary cutaneous marginalzone lymphoma:A case reportJIA Hongxia, RAN LiweiCase reports247-24915Linear porokeratosis in child:A case reportLIU Xinxin, BI Tiantian, REN Min, LI Qinfeng, GONG ZekunCase reports250-25216Granular parakeratosis caused by benzalkonium chloride:A report of two cases and literature reviewLONG Xuan, ZHOU Wenyu, YANG Xueting, YAO Nan, GUO Ziyu, ZHANG Guiying, YANG Miao, LIAO JieyueCase reports253-256 