Differential diagnosis Congenital causes include: Aarskog syndrome, Turner syndrome, Albright's hereditary osteodystrophy, maternal ingestion of thalidomide during pregnancy and Apert syndrome. Can be caused by a trauma, although the exact mechanism is not known.
Brachymetatarsia
Brachydactyly
Paronychia
Webbed toes
Polydactyly
Black heel and palm
Hemifacial hypertrophy
Clinodactyly