. . "Pterygium ColliPTNCI" . "Pterygium ColliPTNICHD" . "Neck WebbingSYNICHD" . . "Pterygium Colli"^^ . "Pterygium Colli"^^ . "Webbed NeckSYNCI" . "A congenital, usually bilateral, thick web-like fold of skin that extends from the acromion to the mastoid process. This deformity is associated with Turner Syndrome and Noonan Syndrome.NCI" . . "NICHD"^^ . "Congenital Abnormality"^^ . . . "C0221217"^^ . "C87130"^^ .