Treatment of Skin Disease (Fifth Edition) - Chapter 176: Palmoplantar keratoderma

Palmoplantar keratodermas (PPKs) consist of a heterogeneous group of disorders characterized by thickening of the palms and soles. The condition may be subdivided into primary hereditary keratodermas, acquired forms, and conditions in which PPK is an associated secondary feature of a specific dermatosis.