Signs and symptoms of<unk>  can include a blockage of the nasal passages (choanal atresia), overgrowth of the umbilical stump, and abnormalities of the genitalia and anus. The medical complications associated with this condition are often severe and may well be life-threatening in infancy or early childhood.
Beare–Stevenson cutis gyrata syndrome
Van Wyk and Grumbach syndrome
Cruveilhier–Baumgarten disease
Johnson–McMillin syndrome
Peters-plus syndrome
Bogart–Bacall syndrome
McGillivray syndrome
Vogt–Koyanagi–Harada disease