Bart–Pumphrey syndrome

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 and proximal and distal interphalangeal joints.

It was characterized in 1967.

It can be associated with GJB2.