نتایج جستجو برای: chromosomal abnormalitiescytogenetic studyirankaryotypingprimary amenorrhea
تعداد نتایج: 49777 فیلتر نتایج به سال:
The balanced translocations are accepted as chromosomal rearrangements that do not generally reflect any phenotypic evidence. However, phenotypical influences can be seen in children of balanced translocation carriers due to the formation of partial monosomy and partial trisomy of any related chromosome. In this study, 25 cases that detected to have balanced translocation by cytogenetic analyse...
BACKGROUND Turner syndrome is a common chromosomal disorder, with an incidence of 1 in 2000 live-born female infants. Mayer-Rokitansky-Küster-Hauser syndrome (MRKH) affects 1 in 4500 female births and, rarely, it might be associated with gonadal dysgenesis. CASE A 17-year-old girl was referred to our clinic with short stature and primary amenorrhea. The patient was diagnosed with Turner syndr...
BACKGROUND Amenorrhea is a common adverse effect of treatment with antipsychotic medications that influences both fertility and adherence to medication regimens. Most research suggests that medication-induced prolactinemia is the main cause of amenorrhea but few prospective studies have assessed this hypothesis. AIM Identify risk factors for amenorrhea following treatment with antipsychotic m...
One of the symptoms of anorexia nervosa (a.n.) is cessation of pubescence or secondary amenorrhea. Their origin in anorexia nervosa is multifactorial, partly resulting from starvation-induced hipogonadism. Amenorrhea in a.n. may persist despite weight recovery and is often related to osteoporosis. The authors' present causes of amenorrhea and its persisting in a.n., pointing to the factors infl...
Introduction. The association of gonadal dysgenesis and Mayer-Rokitansky-Kuster-Hauser syndrome is very rare and appears to be coincidental, independent of chromosomal anomalies. Case Report. We report the case of a 19-year-old woman who presented primary amenorrhea and impuberism. The endocrine study revealed hypergonadotrophic hypogonadism. The karyotype was normal, 46XX. No chromosome Y was ...
Turner syndrome (TS) is a relatively common chromosomal disorder caused by complete or partial X monosomy. The most frequently observed karyotype, 45, X, arises more often by loss of the paternal X or Y chromosome in meiosis or in early embryogenesis than by loss of the maternal X chromosome. The main clinical features of TS are short stature, gonadal dysgenesis, and not to undergo pubertal dev...
From May, 1999 to August, 2006, we performed laparoscopic diagnosis and treatment for 103 cases of impalpable testes. Among those we found 5 cases of male pseudohermaphroditism of different etiologies. Three males presented by impalpable testes with ambiguous genitalia and 2 females presented by primary amenorrhea. All of them have 46-XY normal male chromosomal pattern. In the first 3 cases, th...
amenorrhea, an absence of menses is a symptom that generally brings teenagers for evaluation. this study was undertaken to determine the etiology of primary amenorrhea with especial concern to non classic congential adrenal hyperplasia (nc-cah)-due 21 hydroxylase deficiency among female adolescents refered to clinics of pediatric endocrinology of tehran and iran university of medical sciences a...
BACKGROUND In 1992, the concept of female athlete triad was introduced to describe the interrelated problems of amenorrhea, eating disorders and osteoporosis seen in female athletes. To gain a clearer picture of amenorrhea/oligomenorrhea in Iran, one of the main components of the female athlete triad, we therefore established this study on the prevalence of amenorrhea/oligomenorrhea in elite Ir...
OBJECTIVE Amenorrhea is a DSM-IV criterion for the diagnosis of anorexia nervosa (AN). Several studies have reported few differences between patients who meet the full DSM-IV criteria for AN and those who meet all but the amenorrhea criterion. Although this suggests that the absence of menses does not provide critical diagnostic information, many of these studies are limited by small sample siz...
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