Keratosis Palmaris Et Plantaris with Clinodactyly, also known as keratosis palmaris et plantaris-clinodactyly syndrome, is related to contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a and keratosis. Affiliated tissues include skin, and related phenotypes are clinodactyly of the 5th finger and diffuse palmoplantar hyperkeratosis