1 High Diagnostic-Dermatologic Technology Oncologic Center, Azienda Unità Sanitaria Locale, Reggio Emilia IRCCS, Reggio Emilia, Italy - riccardopampena@gmail.com.
2 Unit of Pathology, Azienda Unità Sanitaria Locale - Reggio Emilia IRCCS, Reggio Emilia, Italy.
3 High Diagnostic-Dermatologic Technology Oncologic Center, Azienda Unità Sanitaria Locale, Reggio Emilia IRCCS, Reggio Emilia, Italy.
4 Department of Dermatology, University of Modena and Reggio Emilia, Modena, Italy.