Activation of melanocytes in idiopathic guttate hypomelanosis after 5-fluorouracil infusion using a tattoo machine: Preliminary analysis of a randomized, split-body, single blinded, placebo controlled clinical trial - 13/12/17

Samir Arbache, MD ^{a, ⁎} , Dirlene Roth, MD ^a, Denise Steiner, MD, PhD ^a, Juliano Breunig, MD, PhD ^b, Nilceo Schwery Michalany, MD ^c, Samia Trigo Arbache, MD ^d, Luciana Gasques de Souza, MD ^e, Sergio Henrique Hirata, MD, PhD ^f

^a Department of Dermatology, University of Mogi das Cruzes (Universidade de Mogi das Cruzes - UMC)/SP, Brazil 

^b Department of Medicine, University of Santa Cruz do Sul (Universidade de Santa Cruz do Sul – UNISC)/RS, Brazil 

^c Department of Pathology, São Paulo State School of Medicine, Federal University of São Paulo (Universidade Federal de São Paulo – UNIFESP)/SP, Brazil 

^d Clinics Hospital, São Paulo University (Universidade de São Paulo – USP)/SP, Brazil 

^e private practice, São Paulo, Brazil 

^f Department of Dermatology, São Paulo State School of Medicine, Federal University of São Paulo (Universidade Federal de São Paulo – UNIFESP)/SP, Brazil 

^∗Correspondence to: Samir Arbache, MD, Department of Dermatology, University of Mogi das Cruzes/SP, Rua Coronel Madeira 45, Centro, São José dos Campos, São Paulo 12245-760, BrazilDepartment of DermatologyUniversity of Mogi das Cruzes/SPRua Coronel Madeira 45, Centro, São José dos CamposSão Paulo12245-760Brazil