Eosinophilic folliculitis of the scalp associated with PD-1/PDL1 inhibitors.
Alfredo RossiFrancesca MagriGemma CaroAlessandro FedericoMaria Caterina FortunaGiuseppe SodaLudovica De VincentiisMarta CarlesimoPublished in: Journal of cosmetic dermatology (2020)
Immune checkpoint inhibitors induced inflammatory response leads to the exposure of hair follicle antigens and a consequent loss of Immuno Privilege. We hypothesize a role of steroids in deviating a primarily lichenoid reaction toward a folliculitis.