Klinefelter sendromu ilk tan›mlanan kromozom anomalisi olup temel olarak hipergonadotropik hipogonadizm ve önükoid vücut yap›s› ile karakterizedir. S›kl› ¤›. ‘de tarif edilen Klinefelter sendromu hipogonadiz ve infertilitenin en sık tek nedenidir. Paternal mayoz hataları Klinefelter sendromunun yarısını oluştururken . Key words: Antisocial personality disorder, Klinefelter’s syndrome. ÖZET. Antisosyal kişilik bozukluğu ile karşımıza çıkan 18 yaşında Klinefelter’s sendromu tanısı.

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Testicular sendrpmu affecting the seminiferous tubules principally, with chromatin-positive nuclei. Studies focused on the maternal period, those examining various factors such as the maternal age, did not reveal any related factor increasing the probability for Klinefelter syndrome Ankara Courts and Enforcement Offices are entitled in any controversy happened or may happen due to hereby contract.

Klinefelter Sendromu: klinefelter syndrome.

Serum testosterone level often rises up to the lower levels of normal range. Subscription and Public Relations Department Phone: Studies have shown no significant difference in efficacy between injected preparations and these other types Helv Paediatr Acta ; One of kllinefelter most typical laboratory findings in patients is an increase in serum gonadotropin levels in puberty.

It is mostly depending on where the tissue with the extra X chromosome is.

Onychoid structure and the presence of gynecomastia along with different degrees of androgen deficiency are the most typical symptoms of Klinefelter syndrome 9. However, in patients at their pre-pubertal period, this feature does not contribute much to the diagnosis. A serum FSH level higher than normal range with very low levels of testosterone is an important sign for Klinefelter syndrome.

Klinefelter’s syndrome, that is described inis the most common single cause of hypogonadism and infertility. In patients with Klinefelter syndrome, due to psychosocial consequences caused by androgen deficiency; character disorders, personality disorders, and behavioral problems arise.


The information consists of your IP address, browser type, operating system, domain name, access time, and related websites. More rarely occur genitourinary malformations, such as hypospadias and undescended testes 10, In fact, it has been shown that the error rate of the first phase increases in advanced maternal age 9. Mitotic errors developed after the formation of zygote forms the remaining small proportion 3. For patients in pubertal period, early diagnosis and immediate initiation of treatment is important.

In recent years, depo-testosterone preparations have been developed, which can be applied with 3-month intervals. Klinefelter syndrome and its variants: Paternal meiosis errors account for about one half of Klinefelter syndrome while remainder are mostly due to maternal meiosis errors.

These patients usually have problems in psychological adjustment. Depending on the seminiferous tubule fibrosis in patients with Klinefelter syndrome, testosterone level decreases over the years. These changes will be published in the ” SITE ” periodically and they will be valid when they are published.

IQ levels are usually normal in classic form but very low levels can also be seen klinedelter patients with high malformations 10,15, Normal levels can be seen in patients with mosaic form, while much lower levels is seen in patients with high-chromosomal defects. Rogol AD, Tartaglia N.

The “Terms of Use” hereby is published in the website with the last change on March 30 th and the ” SITE ” is activated by enabling the access to everyone. Seldom in Klinefelter syndrome patients, who had spermatozoa in their ejaculate, pregnancies were reported with the help of human chorionic gonadotropin therapy.


A Newborn with Klinefelter and Trisomy 18 Syndrome: Case Report | Article | Türkiye Klinikleri

In a study using DNA probes, cases of paternal division errors constitute Please read our Terms of Use thoroughly. An electronically signed contract between a natural or a legal identity benefiting from special services “Turkiye Klinikleri” will provide and “Turkiye Klinikleri”. J Clin Endocrinol Metab ; Dandona P, Rosenberg MT.

These patients, however, usually have normal development of secondary sex characteristics. Within hereby “Terms of Use”, “Turkiye Klinikleri” reserves the rights for “Turkiye Klinikleri” services, “Turkiye Klinikleri” information, the products associated with “Turkiye Klinikleri” copyrights, “Turkiye Klinikleri” trademarks, “Turkiye Klinikleri” trade looks or its all rights for other entity and information it has through this website unless it is explicitly authorized by “Turkiye Klinikleri”.

J Clin Endocrinol Metab ;2: The most typical feature is having small testes. Rates of chromosome abnormalities at different maternal ages. The so-called Klinefelter clinical syndrome was first defined in by Harry Klinefelter and his colleagues by showing the elevated excretion of urine FSH on 9 male patients who had small testes, gynecomastia and no ability of spermatogenesis 1.

Delayed puberty is often seen in these patients. Klinefelter syndrome and other sex chromosomal aneuploidies. The majority of patients are diagnosed with Klinefelter syndrome during their puberty period.

Clin Pediatr Phila ; Arch Intern Med ; It should be noted that patients without the typical features might have Klinefelter syndrome as well.