“…Recently, a cytokine profile of lesional skin, showing overexpression of IL-1A, IL-1B, IL-12B, IL-36 and TNF as well as IL-17, IL-26, IFN gamma and IL13 has been reported in PLS. 5 These findings indicate an immune response with an upregulation of Th1/Th17 cytokines and overexpression of the IL-1/IL-36 cytokine family. In our patient, treatment with ustekinumab completely relieved pruritus, induced a dramatic improvement in psoriasiform lesions and moderately improved palmoplantar keratoderma.…”