Turner Syndrome

Turner syndrome is a condition caused by an X chromosomal abnormality affecting development in girls and women. Although there is wide variation in the presentation of individuals with Turner syndrome, there are common chromosomal causes, developmental features, and medical issues associated with the syndrome. This entry describes characteristics of Turner syndrome as well as its prevalence and casual factors, diagnostic procedures, prognosis, and treatments.


Turner syndrome was named after an American endocrinologist, Henry Turner, who identified common physical and developmental features, including short stature, webbed neck, and delayed development, in a group of female patients in the late 1930s. The condition is also referred to as Bonnevie-Ullrich syndrome after Kristine Bonnevie, a Norwegian geneticist, and Otto Ullrich, a German physician, who studied the condition in Europe. ...

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