نتایج جستجو برای: hyperestrogenism
تعداد نتایج: 90 فیلتر نتایج به سال:
Obesity, defined as a body mass index (BMI) >30 kg/m2, has seen an important increase in prevalence in the last decades, not only in Europe and the United States, but also in developing countries. It is an established risk factor for numerous pathologic conditions like diabetes mellitus, cardiovascular diseases and cancer, but has also been linked to male hypogonadism. Several studies showed a ...
PURPOSE To evaluate thromboembolic risk factors for pulmonary embolism (PE) detected by using computed tomographic (CT) pulmonary angiography in children and to determine whether such information could be used for more appropriate use of CT pulmonary angiography in this patient population. MATERIALS AND METHODS The institutional review board approved this HIPAA-compliant retrospective study a...
• The authors have no financial conflicts of interest. which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. A 49-year-old woman visited our department due to painful bilateral trigger thumbs, which were characteristically locked in flexion (Fig. 1A). Both thumbs showed passively correctable locking and the pat...
Lau et al. authored a valuable article entitled “Impact of ovarian preservation in women with endometrial cancer”. This retrospective cohort study enrolled 529 patients with endometrial cancer between 2000 and 2010. Among these, 17 were in the ovarian preservation group and 517 in the bilateral salpingo-oophorectomy (BSO) group. The authors investigated the impact of ovarian preservation on the...
BACKGROUND Sertoli - Leydig cell tumors (SLCTs) are sex-cord stromal tumors that account less than 0.5 % of primary ovarian neoplasms. They are mostly benign and occur in reproductive age women. Variants with heterologous mesenchymal elements are exceptionaly rare. The usual presentation of SLCTs is with signs of androgen excess as majority of them produce androgens. CASE PRESENTATION We pres...
Endometrial carcinoma is the most common gynecologic malignancy in the United States. Most cases are diagnosed at an early stage. However, the outcome for women diagnosed with advanced-stage disease remains poor. The etiology of most endometrial carcinomas stems from the effects of excess estrogen, whether this comes from exogenous or endogenous sources. Differences in epidemiology and presenta...
DAX-1 [dosage-sensitive sex reversal, adrenal hypoplasia congenita (AHC) critical region on the X chromosome, gene 1] is an orphan nuclear receptor that represses transcription by steroidogenic factor-1 (SF-1), a factor that regulates expression of multiple steroidogenic enzymes and other genes involved in reproduction. Mutations in the human DAX1 gene (also known as AHC) cause the X-linked syn...
In female mammals, including humans, deviations from normal androgenic or estrogenic exposure during fetal development are detrimental to subsequent adult ovarian function. Androgen deficiency, without accompanying estrogen deficit, has little apparent impact on ovarian development. Fetal estrogen deficiency, on the other hand, results in impaired oocyte and follicle development, immature and a...
It has become conventional wisdom that estrogenic stimula tion of breast tissue has something to do with the causation of breast cancer and that the reason obesity is a risk factor for breast cancer is that obese women are hyperestrogenized. However, it has been very difficult to demonstrate that exces sive exogenous estrogen increases the incidence of breast cancer, that endogenous estrogen ex...
PURPOSE The identification of genes and pathways that are affected by estrogenization may shed light on the mechanisms of estrogen action. Here, we describe the expression pattern of a novel estrogen-induced gene, EIG121, in distinct types of endometrial cancer. EXPERIMENTAL DESIGN EIG121 was identified by cDNA microarray analysis of endometrial RNA from women receiving either placebo or estr...
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