- Webbed Neck (Pterygium Colli Deformity)
- Congenital skin fold from the neck to the Shoulders
- May appear as loose folds of skin at the neck
- Turner's Syndrome
- Noonan Syndrome
- Klippel-Feil Syndrome
- Saenger in Snyder (2014) Clinical Manifestations and Diagnosis of Turners Syndrome, UpToDate, Accessed online 9/2/2014