Klinefelter syndrome

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Related to Klinefelter syndrome: Turner syndrome, cri-du-chat syndrome
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Noun1.Klinefelter syndrome - syndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation; a genetic defect in which an extra X chromosome (XXY) is present in the male
syndrome - a pattern of symptoms indicative of some disease
References in periodicals archive ?
Klinefelter Syndrome and Trisomy X are known as sex chromosome aneuploidy, or variations in the typical number of chromosomes.
1) in 1960 for the first time as a rare type of Klinefelter syndrome (47,XXY) because of presence of one more Y chromosome compared to Klinefelter syndrome.
Extragonadal germ cell tumours are often associated with Klinefelter syndrome.
Ventriculomegaly found in a fetus with Klinefelter syndrome (47,XXY) was also considered to be coincidental.
Chapter 33 gives an overview of current knowledge on Klinefelter Syndrome as a genetic cause of infertility.
Jude Medcalf, 23, who has growth disorder Klinefelter syndrome and will get even taller, fired a BB gun at a woman through a window and stole Christmas presents and cash from an office.
SAN FRANCISCO -- Boys with Klinefelter syndrome felt better about themselves and had a better quality of life after 2 years of low-dose androgen therapy, in a randomized placebo-controlled trial.
This year, with its chromosome-counting test, Verinata began offering a screen for Klinefelter syndrome, in which males have an extra X chromosome.
3) Thus, you'll need to consider congenital disorders of the testes, such as Klinefelter syndrome, as well as hypothalamic or pituitary disease, such as Kallmann syndrome, resulting in deficient
Success of testicular sperm extraction [corrected] and intracytoplasmic sperm injection in men with Klinefelter syndrome.
Postnatal screening of populations for certain sex chromosome aneuploidies, such as Turner syndrome and Klinefelter syndrome, permits early developmental intervention and reproductive counseling (2, 3).
The first one (Figures 6 and 9) with hypertelorism, broad nose of post surgical unilateral cleft lip and palate, post surgical unilateral cheiloplasty was performed with a good IQ, but an abnormal chromosomal study was reported (Figure 7) 47XXY, which corresponds to Klinefelter syndrome, which is the most common cause of male hypogonadism.