A rare genetic osteolysis syndrome characterized by acroosteolysis of distal phalanges and generalized osteoporosis, associated with additional ossification anomalies, craniofacial dysmorphism, dental anomalies and a wide range of other characteristics.

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.