Dahlberg-Borer-Newcomer syndrome is a very rare ectodermal dysplasia syndrome, described in 2 adult brothers, characterized by the association of hypoparathyroidism, nephropathy, congenital lymphedema, mitral valve prolapse and brachytelephalangy. Additional features include mild facial dysmorphism, hyperthricoses, and nail abnormalities.

Short distance from the end of the finger to the most distal interphalangeal crease or the distal interphalangeal joint flexion point. That is, hypoplasia of one or more of the distal phalanx of finger.