Case 9: Precocious Puberty
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چکیده
In this session students will evaluate data on precocious puberty and try to find its underlying causes. Read this to the class or discuss it in your own words with them. Be sure that you cover these points: what causes normal puberty; the technical terminology of puberty; is a statistically significant difference in average age at puberty of 3, or 6 months biologically significant? Emphasize the huge difference in the cases in PR where girls were developing at less than 2 years.
منابع مشابه
Idiopathic Central Precocious Puberty Associated with 11 Mb De Novo Distal Deletion of the Chromosome 9 Short Arm
We report a girl with a de novo distal deletion of 9p affected by idiopathic central precocious puberty and intellectual disability. Genome-wide array-CGH revealed a terminal deletion of about 11 Mb, allowing to define her karyotype as 46; XX, del(9)(p23-pter). To our knowledge, this is the second reported case of precocious puberty associated with 9p distal deletion. A third case associates pr...
متن کاملIsosexual precocious puberty in a boy with meningomyelocele and cerebral arachnoid cyst.
Appearance of secondary sexual characteristics before 9 years of age in boys constitutes precocious puberty(l). There are three major types of sexual precocity: true or central, peripheral and combined peripheral and central. Precocious puberty may be isosexual or heterosexual in nature. In this communication we report a case of meningomyelocele who developed isosexual precocious puberty second...
متن کاملWhether all patients with Central precocious puberty should be treated?
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...
متن کاملانواع بلوغ زودرس وعلل زمینه ای آن و لزوم درمان بیمارستان امام، 79-1372
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...
متن کاملSerum vitamin D levels in girls with central precocious puberty
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...
متن کاملA Case of Van Wyk-Grumbach Syndrome
In boys precocious puberty is defined as the development of secondary sexual characters before 9 year of age. In girls, the development of breasts (thelarche) before 7.5 year, the development of pubic hairs (pubarche) before 8.5 year or menarche before the age of 9.5 year is considered precocious [1]. Hypothyroidism is usually associated with delayed puberty and rarely with precocious puberty [...
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