Alternate Names : Mucopolysaccharidosis II, Sulfo-Iduronate Sulfatase Deficiency
What are the signs and symptoms of the disease?
There are mild and severe types of Hunter syndrome.
The mild type, which usually isn't noticed until later in life, can cause:
coarse facial features
excess body hair
The severe type of Hunter syndrome shows up in early childhood, and shortens the person's lifespan. It causes the same symptoms as the mild form, but they are more severe. In addition, a person with the severe form often has:
marked mental retardation
physical deterioration starting early in life
spasticity, or tight muscles that interfere with motor activities
hyperactivity, with constant movement and impulsive behavior