Acquired Nail Hypertrophy Due to Nickel Contact Allergy with Dermoscopic findings: A Case Report and Literature Review

Wen Fan,1,2 Yi-Fei Feng,1 Jia-Wei Lu,1 Yan Lu1 1Department of Dermatology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People’s Republic of China; 2Department of Dermatology, Changzhou NO. 2 People’s Hospital of Nanjing Medical University, Changzhou, Jiangsu, People’s Republic of ChinaCorrespondence: Yan Lu, First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Gulou District, Nanjing, 210000, People’s Republic of China, Email [email protected]: Nickel stands as one of the prevalent contact allergens, but acquired nail hypertrophy presenting as ACD due to nickel exposure is infrequent. Here we report a case of acquired nail hypertrophy stemming from ACD due to nickel, displaying an uneven coloration, along with nail grooves, deck distortion damage, small surface pits and ecchymosis beneath the damaged deck. The patient limited nickel contact and recovered after 11 months of follow-up.Keywords: allergic contact dermatitis, nail, hypertrophy, nickel