Bart–Pumphrey syndrome (also known as "Palmoplantar keratoderma with knuckle pads and leukonychia and deafness") is a cutaneous condition characterized by hyperkeratoses (knuckle pads) over the metacarpophalangeal, proximal and distal interphalangeal joints. It was characterized in 1967. It can be associated with GJB2. See also Camisa disease List of cutaneous conditions Bart syndrome Palmoplantar keratoderma References External links Palmoplantar keratodermas Syndromes