نتایج جستجو برای: central precocious puberty
تعداد نتایج: 480716 فیلتر نتایج به سال:
Extended Abstract Precocious puberty is the appearance of secondary sexual characteristics before 8 years old in girls and 9 years old in boys. Precocious puberty is divided into 3 groups of central, peripheral and normal variants. Central precocious puberty is accompanied by activation of hypothalamic-pituitary-gonadal axis which causes increase in secretion of GnRH, and in turn increase i...
Precocious puberty can cause several adverse effects on final growth and social behavior in girls. Recently studies showed that low serum vitamin D levels might be associated with precocious puberty. The aim of this research was to investigate the association between serum vitamin D levels and central precocious puberty in girls. Girls with central precocious puberty under the age of 8 we...
background: precocious puberty, as early physical development and low final height might lead to psychosocial problems. objective: to evaluate etiology and clinical feature of precocious puberty in a cohort of iranian children. materials and methods: in this case-series study, 44 girls and 8 boys with precocious puberty referred to endocrine reserch centre (firouzgar), institute of endocrinolog...
Background: This study was performed in order to detect the frequency of different types of precocious puberty, predisposing factors and to show which group of patients need to treatment. Materials and Methods: In this study, 74 patients who referred to pediatric endocrine clinic of Imam Khomeini Hospital and private office from 1993-2000 were assessed. A complete history was taken and physical...
The up-regulator regulation and down-regulator regulation of gonadotropin-releasing hormone (GnRH) in central precocious puberty is not yet known. However, recent advances in neuroendocrinology have shown the controlling role of arginine-phenylalanine (RF)-amide-related peptides (RFRPs) on GnRH secretion in different phenomenon of reproduction such as estrus cycle and pregnancy, but the exact r...
OBJECTIVE To determine the etiology of precocious puberty in children and to compare the clinical and laboratory parameters of central and peripheral precocious puberty. STUDY DESIGN Cross-sectional study. PLACE AND DURATION OF STUDY Endocrine Clinic at National Institute of Child Health, Karachi, from January 2009 to December 2011. METHODOLOGY Children presenting with precocious puberty ...
Introduction: Precocious pubertyin girls refers to onset of puberty before age 8. The purpose of this study therefore was the study of the effect of aerobic training and the use of GnRH agonists on estradiol serum levelsand Gonadotropins in girls with central precocious puberty. Methods: Twenty-five girls with central precocious puberty (aged 7.44±0.34 years) participated in this stud...
hypothalamic hamartoma (hh) is a rare intracranial lesion that usually presents with classic triad of central precocious puberty, gelastic epilepsy, and developmental delay. herein, a 14-year old boy is presented in whom the diagnosis of hh was made by magnetic resonance imaging. while he did not have any complain of precocious puberty, he surprisingly suffered from delay in puberty. the defini...
OBJECTIVE Precocious puberty is of concern because of the underlying disorders, the short adult stature, and the psychosocial difficulties. This study was carried out in order to evaluate the characteristics of children referred to pediatric endocrinology clinic with diagnosis of precocious puberty. METHODS In a cross-sectional study between February 2007 and September 2009, all of the childr...
BACKGROUND Precocious puberty, as early physical development and low final height might lead to psychosocial problems. OBJECTIVE To evaluate etiology and clinical feature of precocious puberty in a cohort of Iranian children. MATERIALS AND METHODS In this case-series study, 44 girls and 8 boys with precocious puberty referred to Endocrine Reserch Centre (Firouzgar), Institute of Endocrinolo...
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