A webbed neck, or pterygium colli, is a
congenital
A birth defect, also known as a congenital disorder, is an abnormal condition that is present at birth regardless of its cause. Birth defects may result in disabilities that may be physical, intellectual, or developmental. The disabilities can ...
skin fold that runs along the sides of the
neck
The neck is the part of the body on many vertebrates that connects the head with the torso. The neck supports the weight of the head and protects the nerves that carry sensory and motor information from the brain down to the rest of the body. In ...
down to the
shoulders.
There are many variants.
Signs and symptoms
On babies, webbed neck may look like loose folds of skin on the neck. As the child grows, the skin may stretch out to look like there is little or no neck.
Associated conditions
It is a feature of
Turner syndrome
Turner syndrome (TS), also known as 45,X, or 45,X0, is a genetic condition in which a female is partially or completely missing an X chromosome. Signs and symptoms vary among those affected. Often, a short and webbed neck, low-set ears, low hair ...
(only found in girls) and
Noonan syndrome,
as well as the rarer
Klippel–Feil syndrome,
or
Diamond–Blackfan anemia
Diamond–Blackfan anemia (DBA) is a congenital erythroid aplasia that usually presents in infancy. DBA causes low red blood cell counts (anemia), without substantially affecting the other blood components (the platelets and the white blood cells) ...
References
External links
{{Congenital malformations and deformations of ear, face and neck
Congenital disorders of eye, ear, face and neck