Klinefelter's syndrome

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Klinefelter's syndrome

[′klīn‚fel·tərz ‚sin‚drōm]
(medicine)
A complex of symptoms associated with hypogonadism in males as an accompaniment of an anomaly of the sex chromosomes; somatic cells are found to have a Y chromosome and more than one X chromosome.
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Like everyone else, XXY males are unique individuals.
XXY males often have decreased immediate auditory recall-they have trouble remembering what they have just heard.
XXY males frequently have trouble finding the right word to describe an object or a situation.
In XXY males, while the penis is usually of normal size, the testes remain at 2 ml, and cannot produce sufficient quantities of the male hormone testosterone.
However, only about 10 percent of XXY males have breast enlargement great enough to require surgery.
More information about testosterone and XXY males can be found in the section titled "Testosterone Treatment.
Robinson again stressed, however, that while XXY males share many characteristics, they cannot be pigeonholed into rigid categories.
For these reasons, XXY males diagnosed as teenagers may need psychological counseling as well as help in overcoming their learning disabilities.
Ideally, XXY males should begin testosterone treatment as they enter puberty.
As they begin to develop a more masculine appearance, the self-confidence of XXY males tends to increase.
Although the majority of XXY males ultimately will benefit from testosterone, a few will not.
To ensure that the injections will provide the maximum benefit, XXY males who are ready to begin testosterone injections should consult a qualified endocrinologist (a specialist in hormonal interactions) who has experience treating XXY males.