what are turner syndrome
Practice Essentials. Turner syndrome is one of the most common chromosomal abnormalities, occurring in approximately 1 in 2000 live-born female infants. Turner syndrome (see the image below) is caused by the absence of one set of genes from the short arm of one X chromosome. Generalized lymphedema is seen here in an infant with Turner syndrome. The loose skin folds around the neck will form a webbed neck later in life.