Successful treatment of refractory prurigo nodularis with abrocitinibFang Sun1, Zhenzhen Wu11 Derpartment of Dermatology, Affiliated AoYang Hospital of Jiangsu University, Zhangjiagang, Jiangsu, ChinaCorresponding author: Zhenzhen Wu, Derpartment of Dermatology, Affiliated AoYang Hospital of Jiangsu University, Zhangjiagang, Jiangsu, ChinaZhangjiagang 222 Gangcheng Road, Jiangsu, China, E-mail: 19951236675 @163.com