Palmoplantar Keratoderma, Norrbotten Recessive Type, is also known as hereditary palmoplantar keratoderma, gamborg-nielsen type. An important gene associated with Palmoplantar Keratoderma, Norrbotten Recessive Type is SERPINA12 (Serpin Family A Member 12). Affiliated tissues include skin, and related phenotypes are diffuse palmoplantar hyperkeratosis and hyperkeratosis with erythema