Klinefelter syndrome
The cells of a normal, healthy person contain two copies of each of 23 chromosomes, for a total of 46 chromosomes per cell. Everyone has two sex chromosomes.
Klinefelter syndrome
Klinefelter syndrome is a chromosome disorder that affects males. Normally, a male has two chromosomes that determine his sex: an X inherited from his mother and a Y inherited from his father.
Klinefelter Syndrome Causes, Symptoms and Treatment and Related Disorders
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Klinefelter syndrome
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Klinefelter Syndrome
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Klinefelter Syndrome
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Klinefelter Syndrome - Symptoms
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What were the symptoms of your klinefelter syndrome?
Can Klinefelter syndrome be inherited?
This condition is not inherited; it usually occurs as a random event during the formation of reproductive cells (eggs and sperm).
Klinefelter Syndrome
What is Klinefelter syndrome?
Klinefelter syndrome, also known as the XXY condition, is a term used to describe males who have an extra X chromosome in most of their cells.
Klinefelter syndrome is found in about 1 out of every 500 - 1,000 newborn males. Women who have pregnancies after age 35 are slightly more likely to have a boy with this syndrome than younger women.
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Symptoms, Diagnosis & Tests ...
Klinefelter syndrome is the presence of an extra X chromosome in a male.
Causes, incidence, and risk factors: ...
Klinefelter Syndrome
Klinefelter syndrome is characterized by small, firm testes, azoospermia ( no sperm count ), gynecomastia, in men with two or more X chromosomes. The common karyotype is 47,XXY .
Klinefelter syndrome is caused when a fertilized egg has an extra sex chromosome. Most people have 46 chromosomes in the nucleus of each cell of their bodies. These chromosomes exist in matched pairs, meaning there are 23 pairs.
Klinefelter Syndrome
Klinefelter Syndrome refers to an abnormal human male phenotype involving an extra X chromosome (XXY).
How is Klinefelter syndrome diagnosed?
Klinefelter syndrome usually is not diagnosed until the time of puberty Opens New Window. At this point, the boy's testicles fail to grow normally and you may start to notice other symptoms.
Klinefelter syndrome is a group of symptoms caused by the presence of an extra sex chromosome, XXY instead of the usual male arrangement, XY.
Klinefelter syndrome
Vasectomy
Semen analysis is a test to measure the amount and quality of a man's semen and sperm. Semen is the thick, white, sperm-containing fluid released during ejaculation.
Klinefelter syndrome (KS) occurs in some men who have more than one X chromosome (XXY).
Klinefelter's Syndrome
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Klinefelter syndrome - a genetic condition in men in which an extra X sex chromosome is present
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Klinefelter syndrome may increase the risk of developing germ cell tumors in the mediastinum.
Swyer syndrome may increase the risk of developing germ cell tumors in the testes or ovaries.
Klinefelter syndrome ... enlarged male breasts (gynecomastia)
Klinefelter syndrome variant ... breast cancer
Klinefelter syndrome, variants ... breast cancer
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Definition Klinefelter syndrome is a chromosome disorder in males that results in hypogonadism (small penis and small firm testicles). People with this condition are born with at least one extra X chromosome.
Males with Klinefelter syndrome are born with an extra X chromosome (XXY instead of XY). This condition can slow sexual development.
What Do Doctors Do?
Down syndrome
Klinefelter syndrome
Turner syndrome
MULTIFACTORIAL DISORDERS ...
: Cancer incidence in men with Klinefelter syndrome. Br J Cancer 71 (2): 416-20, 1995.
Jennings MT, Gelman R, Hochberg F: Intracranial germ-cell tumors: natural history and pathogenesis. J Neurosurg 63 (2): 155-67, 1985.
Klinefelter syndrome (KLINE-fel-ter SIN-drome) A genetic disorder in males caused by having one or more extra X chromosomes.
The most common genetic disorder is Klinefelter syndrome. In central hypogonadism, the centers in the brain that control the gonads (hypothalamus and pituitary) do not function properly.
Genetics diseases (eg, Klinefelter syndrome, Sertoli-Leydig cell syndrome)
Exposure to some workplace chemicals or heavy metals (primarily lead and cadmium)
Tobacco use, marijuana use
Varicose veins of the testes ( varicocele) ...
Risk: Abnormal gene expression related to certain chromosome translocations, congenital disorders such as Down syndrome or Klinefelter syndrome, familial syndromes related to gene mutations, ...
Klinefelter syndrome. This is a genetic problem that affects males. Normally, males have one X and one Y chromosome. Males with Klinefelter syndrome have at least two X chromosomes and, in rare cases, as many as three or four.
Ventricular, Etidronate, Sodium, Factors, Hemolysin, Fetal Malnutrition, Guanine Nucleotide Regulatory Proteins, Hamamelis virginiana, Hematocolpos, Human T Cell Leukemia Viruses, influenzae-A hominis, Myxovirus, Jacket, Yellow, Klinefelter Syndrome, ...
Klinefelter Syndrome Mosaic - a male with a percentage of the normal cell line (46, XY), plus another percentage of an abnormal cell line associated with Klineflter Syndrome (47, XXY).
Having Klinefelter syndrome (a genetic disorder in men caused by having one or more extra X chromosomes)
Having a testicle that did not move down into the scrotum, also called undescended, before birth.
XLA see Primary Immunodeficiencies
XO syndrome see Turner syndrome
XP see Xeroderma Pigmentosum
XXX see Triple-X syndrome
XXXXY see Klinefelter syndrome
XXXY see Klinefelter syndrome
XXY see Klinefelter syndrome
XYY syndrome ...
Male Infertility - Could it be Klinefelter Syndrome?
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As defined by the National Institute of Health (NIH), infertility is a term used for women who are unable to get pregnant and for men who are unable to impregnate a woman after at least .
However, people who suffer from certain genetic disorders, such as Fanconi anemia, Klinefelter syndrome, Patau syndrome, Bloom syndrome, and Down syndrome, are at greater risk of developing AML than the general population.
This can include Turner or Klinefelter syndrome. The hormones will help begin sexual development. Hormones may also be given to teens who are severely delayed or overly stressed by their lack of development.
"Mediastinal polyembryoma associated with Klinefelter syndrome". J. Pediatr. Hematol. Oncol. 25 (4): 321-3. doi:10.1097/00043426-200304000-00011. PMID 12679648.
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Klüver-Bucy Syndrome ...
Yeh PC, Kipp MA. A case of Moebius syndrome in association with Klinefelter syndrome. Ophthalmic Genet. 2002 Sep;23(3):185-9.
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Hypotonia ...
Most germ cell tumors occur in children and in people with Klinefelter syndrome.
Tumors of the Sellar Region: Craniopharyngioma (Grade I) and Pituitary Tumor ...
Klinefelter syndrome
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Men taking estrogen or naturally producing higher levels of the hormone are at increased risk, as are men with Klinefelter syndrome, which results in low testicular function.
Prescription drugs
Over-the-counter medicines
Illegal drugs (such as marijuana and steroids)
Tumors
Certain genetic disorders and conditions such as Klinefelter Syndrome.
For example, there is no known treatment when the sperm-producing structures of the testes have been severely damaged or are abnormal. This happens in men with certain chromosomal abnormalities such as Klinefelter syndrome.
Exposure to estrogen, such as might occur during treatment for prostate cancer.
Exposure to radiation, such as during treatment for Hodgkin's lymphoma.
Klinefelter syndrome, a genetic disorder in which an extra chromosome is present.
There are many other chromosome abnormalities including Turner syndrome (45,X), Klinefelter syndrome (47, XXY), the cat cry syndrome (46, XX or XY, 5p-), and so on.
 See also: Symptom, Surgery, Cancer, Turner syndrome, Arthritis
  
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