Palmoplantar keratodermas are a heterogeneous group of skin disorders characterized by abnormal thickening (scleroderma) of the stratum corneum of the palms and soles.
Keratoderma climactericum, also known as climacteric keratoderma, Haxthausen's disease, or acquired plantar keratoderma, is a skin condition characterized by hyperkeratosis of the palms and soles beginning at about the time of menopause.