Keratoderma hereditarium mutilans
Keratoderma hereditarium mutilans
Definition
A rare, diffuse, mutilating, hereditary palmoplantar keratoderma disorder characterized by severe, honeycomb-pattern palmoplantar keratosis and pseudoainhum of the digits leading to autoamputation, associated with mild to moderate congenital sensorineural hearing loss. Additional features include stellate keratosis on the extensor surfaces of the fingers, feet, elbows and knees. Alopecia, onychogryphosis, nail dystrophy or clubbing, spastic paraplegia and myopathy may also be associated.
Also known as keratoderma hereditarium mutilans, KHM, mutilating keratoderma, mutilating keratoderma of Vohwinkel, mutilating keratoderma plus deafness, PPK mutilans and deafness, Vohwinkel syndrome, VOWNKL — per MONDO