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148 results
  1. Klinefelter Syndrome 
    https://medlineplus.gov/klinefeltersyndrome.html
    Klinefelter syndrome (KS) is a condition that occurs in men who have an extra X chromosome. Read about ... What is Klinefelter syndrome (KS)? Klinefelter syndrome (KS) is a genetic condition that happens when a male is born with an extra ...
  2. Klinefelter syndrome 
    https://medlineplus.gov/ency/article/000382.htm
    ... XY; 47,XXY/46,XY mosaicism; Poly-X Klinefelter syndrome ... and has 1 X and 1 Y chromosome . Klinefelter syndrome results when a male child is born with ... of 46. This is written as 47, XXY. Klinefelter syndrome occurs as a random event. There is no ...
  3. Y Chromosome Infertility - GeneReviews® - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK1339
    ... chemotherapy; heat exposure (evaluated by full medical history) Klinefelter syndrome (XXY), which can be detected by cytogenetic analyses ... and accounts for approximately 8% of azoospermic men. Klinefelter syndrome can be associated with hypoandrogenism and reported reduced ...
  4. xmlmplus_topics_2025-06-06.xml 
    https://medlineplus.gov/xml/mplus_topics_2025-06-06.xml
    ... male</also-called><full-summary ><h3>What is Klinefelter syndrome (KS)?</h3> <p>Klinefelter syndrome (KS) is a <a href="https://medlineplus.gov/ ... maleinfertility.html">infertility</a>.</p> <h3>What causes Klinefelter syndrome (KS)?</h3> <p>KS is not inherited. It's ...
  5. xmlghr-summaries.xml 
    https://medlineplus.gov/download/ghr-summaries.xml
    ... published></health-condition-summary><health-condition-summary ><name >Klinefelter syndrome</name><ghr-page >https://medlineplus.gov/genetics/condition/ ...
  6. Childhood Extracranial Germ Cell Tumors Treatment (PDQ®) - PDQ Cancer Information Summaries - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK65877
    ... at an increased risk of extragonadal extracranial GCTs: Klinefelter syndrome: Increased risk of mediastinal GCTs.[ 14 - 17 ] Most ... 22% to 50% have cytogenetic changes consistent with Klinefelter syndrome.[ 15 , 18 ] The age of tumor presentation is ...
  7. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... Gonadal Dysgenesis, Mixed C12.706.316.795.500 Klinefelter Syndrome C12.706.316.795.750 Turner Syndrome C12. ... Dysgenesis, Mixed C13.351.875.253.795.500 Klinefelter Syndrome C13.351.875.253.795.750 Turner Syndrome ...
  8. xmlTopicIndex.xml 
    https://medlineplus.gov/download/TopicIndex.xml
    ... topic><topic ><url >https://medlineplus.gov/genetics/condition/klinefelter-syndrome</url><title >Klinefelter syndrome</title><other_names ><other_ ...
  9. Luteinizing Hormone (LH) Levels Test: MedlinePlus Medical Test 
    https://medlineplus.gov/lab-tests/luteinizing-hormone-lh-levels-test
    ... never developed normally A chromosomal disorder, such as Klinefelter syndrome In women and men , high LH levels may ... brain or pituitary gland Turner syndrome in girls Klinefelter syndrome in boys Certain autoimmune disorders Radiation therapy or ...
  10. Follicle-Stimulating Hormone (FSH) Levels Test: MedlinePlus Medical Test 
    https://medlineplus.gov/...licle-stimulating-hormone-fsh-levels-test
    ... to the testicles A chromosomal disorder, such as Klinefelter syndrome In women and men , damage to the ovaries ... brain or pituitary gland Turner syndrome in girls Klinefelter syndrome in boys Certain autoimmune disorders Radiation therapy or ...
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