Hereditary painful callosities
Hereditary painful callosities
Definition
Hereditary painful callosities is a nummular palmoplantar keratoderma characterized by the development of painful keratotic lesions over pressure points in hands and feet. A few families have been described. Transmission is autosomal dominant. Successful analgesia can be obtained with tretinoin.
Also known as keratosis palmoplantaris nummularis, Plamoplantar hyperkeratosis nummularis, Plamoplantar keratoderma nummularis, PPK nummularis — per MONDO