Klinefelter syndrome

Presentation

KLinefelter syndrome

By Vera Alberquilla 4ºA

index

Cause

Who is affected?

Karyotype

Clinical symptoms

Frequency

Bibliography

·Extra X chromosome, not hereditary·Males

cause and who is affected

Karyotype of an affected person

-Affected person: 47, XXY -Typical male: 46, XY

clinical symptoms

For BABIES

For CHILDREN or ADOLESCENTS

For ADULT MEN

Reduced sexual desire and less masculine features.

Anomalies in the puberty and some learning difficulties.

Development of the body and speech delays.

frequency

1 out of 500 newborns

0.25%

Although only 20% to 50% f patients are diagnosed in their lifetimes.

Klinefelter syndrome (KS): genetics, clinical phenotype and hypogonadism - PMC (nih.gov)

Klinefelter syndrome: MedlinePlus Genetics

Bibliography

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