Klinefelter syndrome

Presentation

KLinefelter syndrome

By Vera Alberquilla 4ºA

index

Karyotype

Who is affected?

Cause

Bibliography

Frequency

Clinical symptoms

cause and who is affected

·Extra X chromosome, not hereditary ·Males

Karyotype of an affected person

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

clinical symptoms

For ADULT MEN

For CHILDREN or ADOLESCENTS

For BABIES

Anomalies in the puberty and some learning difficulties.

Reduced sexual desire and less masculine features.

Development of the body and speech delays.

frequency

0.25%

1 out of 500 newborns

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

Bibliography

Klinefelter syndrome: MedlinePlus Genetics

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

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