| Summary: | Heng Zhang, Jiang Jin, Xue Chen, Lin Cai, Jianzhong Zhang, Guangdong Wen Department of Dermatology, Peking University People’s Hospital, Beijing, 100044, People’s Republic of ChinaCorrespondence: Guangdong Wen, Department of Dermatology, Peking University People’s Hospital, # 11. Xizhimen South St, Beijing, 100044, People’s Republic of China, Tel +86 10 88325472, Fax +86 10 88325474, Email 163vip2008@163.comAbstract: Pilomatricoma, also known as “benign calcifying epithelioma”, is an uncommon slow-growing benign adnexal skin tumor, which originates from primitive cells of the hair matrix and usually appears as a solitary, firm, and asymptomatic nodule beneath the skin. Bullous pilomatricoma is a rare form of pilomatricoma, always presenting with firm subcutaneous nodules with a bullous appearance. In this study, we report a 9-year-old Chinese presenting girl with bullous pilomatricoma after influenza vaccination.Keywords: bullous pilomatricoma, calcifying epithelioma of Malherbe, influenza vaccination
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