Gamuts

Congenital absence of phalanx, digit, hand, or foot

May Be Caused by
 Common
Amniotic band syndrome
Roberts syndrome
Thalidomide embryopathy
 Uncommon
Aplasia cutis congenita
Arthrogryposis
Brachmann-de Lange syndrome
Claw hand
Fetal hydantoin syndrome
Grebe chondrodysplasia
Hypoglossia-hypodactyly
Möbius syndrome
Poland syndrome
Popliteal pterygium syndrome
Radial ray syndrome
Tylosis
Ulnar ray syndrome