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"Precocious Puberty"

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https://www.readbyqxmd.com/read/28631895/growth-hormone-excess-in-children-with-neurofibromatosis-type-1-and-optic-glioma
#1
Paola Cambiaso, Stefania Galassi, Melania Palmiero, Angela Mastronuzzi, Francesca Del Bufalo, Rossella Capolino, Antonella Cacchione, Paola S Buonuomo, Michaela V Gonfiantini, Andrea Bartuli, Marco Cappa, Marina Macchiaiolo
In children with neurofibromatosis type 1 (NF1) and optic pathways glioma (OPG), growth hormone (GH) excess has been rarely reported and mainly associated to central precocious puberty. The aim of our study is to evaluate the prevalence of GH excess, the association with central precocious puberty, the relation with tumor site and the evolution over time in a large cohort of children with NF1 and OPG. Sixty-four NF1 children with OPG were evaluated. Patients with stature and/or height velocity >2 SD for age were studied for GH secretion...
June 20, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28625707/-algorithms-based-on-medico-administrative-data-in-the-field-of-endocrine-nutritional-and-metabolic-diseases-especially-diabetes
#2
S Fosse-Edorh, A Rigou, S Morin, L Fezeu, L Mandereau-Bruno, A Fagot-Campagna
BACKGROUND: Medico-administrative databases represent a very interesting source of information in the field of endocrine, nutritional and metabolic diseases. The objective of this article is to describe the early works of the Redsiam working group in this field. METHODS: Algorithms developed in France in the field of diabetes, the treatment of dyslipidemia, precocious puberty, and bariatric surgery based on the National Inter-schema Information System on Health Insurance (SNIIRAM) data were identified and described...
June 15, 2017: Revue D'épidémiologie et de Santé Publique
https://www.readbyqxmd.com/read/28611948/van-wyk-grumbach-syndrome-with-kocher-debr%C3%A3-s%C3%A3-m%C3%A3-laigne-syndrome-case-report-of-a-rare-association
#3
Syed Mohd Razi, Abhinav Kumar Gupta, Deepak Chand Gupta, Manish Gutch, Keshav Kumar Gupta, Syeda Iqra Usman
BACKGROUND: Van Wyk-Grumbach syndrome (VWGS) is a rare presentation of juvenile hypothyroidism which manifests in females as chronic autoimmune hypothyroidism, isosexual pseudoprecocious puberty, and multicystic ovaries. It uniquely presents with short stature and delayed bone age unlike other causes of precocious puberty. Kocher-Debré-Sémélaigne (KDSS) is a rare presentation of juvenile hypothyroidism manifesting as calf muscle pseudohypertrophy, delayed contraction and relaxation of reflexes, and percussion myxedema...
February 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/28610651/increased-high-molecular-weight-adiponectin-but-decreased-total-adiponectin-and-kisspeptin-in-central-precocious-puberty-compared-with-aged-matched-prepubertal-girls
#4
Chantacha Sitticharoon, Maynart Sukharomana, Supawadee Likitmaskul, Malika Churintaraphan, Pailin Maikaew
The aim of the present study was to compare serum leptin, kisspeptin, total adiponectin, high molecular weight (HMW) adiponectin and neuropeptide Y (NPY) levels between girls with central precocious puberty (CPP; n=26, 7-9.5 years old) and age-matched controls (n=29) including or excluding obese girls. Leptin and NPY levels were comparable between CPP and control girls. Kisspeptin levels were lower in the CPP than control group, and were positively correlated with oestrogen in the control group and with systolic and diastolic blood pressure in the CPP group...
June 14, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28606230/-a-survey-of-pubertal-development-in-children-born-with-assisted-reproductive-technology
#5
Zi-Yuan Liu, Xin-Li Wang, Tong-Yan Han, Yun-Pu Cui, Xue-Mei Wang, Xiao-Mei Tong, Yi Song, Hai-Jun Wang, Song Li
OBJECTIVE: To investigate the status of pubertal development in children born with assisted reproductive technology (ART). METHODS: A retrospective analysis was performed on the pubertal development data of children born with ART in Peking University Third Hospital from 1994 to 2003 (ART group). The data in the cross-sectional study "Reports on the Physical Fitness and Health Research of Chinese School Students in 2010" were used as a control. The age at menarche and the age at spermarche were compared between the two groups...
June 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28599388/assessment-of-stress-levels-in-girls-with-central-precocious-puberty-before-and-during-long-acting-gonadotropin-releasing-hormone-agonist-treatment-a-pilot-study
#6
Tais A S Menk, Marlene Inácio, Delanie B Macedo, Danielle S Bessa, Ana C Latronico, Berenice B Mendonca, Vinicius Nahime Brito
BACKGROUND: The objective of the study was to determine the stress levels of girls with central precocious puberty (CPP) before and during treatment with a long-acting gonadotropin-releasing hormone agonist (GnRHa). METHODS: The Child Stress Scale (CSS) was used for 10 unrelated girls with CPP before and after the first year of GnRHa treatment. The CSS is divided into four subscales (physical, psychological, psychological with depressive component and psychophysiological reactions)...
May 23, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28591485/medical-management-and-antiepileptic-drugs-in-hypothalamic-hamartoma
#7
J Helen Cross, Helen Spoudeas
Hypothalamic hamartoma may present with epilepsy, specifically gelastic or dacrystic seizures, or endocrine dysfunction, commonly precocious puberty. The epilepsy in many patients is drug resistant, and has a high association with progressive cognitive, learning and behavioral difficulty. Medical treatment of seizures remains problematic, with many resistant to drug treatment. Surgical resection, or disconnection of the hamartoma provides the optimal chance of seizure control but with a relatively high risk of endocrine dysfunction, the result of interference with the hypothalamic-pituitary axis in many...
June 2017: Epilepsia
https://www.readbyqxmd.com/read/28591479/hypothalamic-hamartoma-with-epilepsy-review-of-endocrine-comorbidity
#8
Victor S Harrison, Oliver Oatman, John F Kerrigan
The most common, and usually the only, endocrine disturbance in patients with hypothalamic hamartoma (HH) and epilepsy is central precocious puberty (CPP). The mechanism for CPP associated with HH may relate to ectopic generation and pulsatile release of gonadotropin-releasing hormone (GnRH) from the HH, but this remains an unproven hypothesis. Possible regulators of GnRH release that are intrinsic to HH tissue include the following: (1) glial factors (such as transforming growth factor α[TGFα) and (2) γ-aminobutyric acid (GABA)-mediated excitation...
June 2017: Epilepsia
https://www.readbyqxmd.com/read/28591475/gamma-knife-radiosurgery-for-hypothalamic-hamartoma-preserves-endocrine-functions
#9
Frederic Castinetti, Thierry Brue, Isabelle Morange, Romain Carron, Jean Régis
Gamma Knife radiosurgery (GK) is an effective treatment for hypothalamic hamartoma. No precise data are available on the risk of endocrine side effects of this treatment. In this study, 34 patients with hypothalamic hamartoma (HH) were followed prospectively at the Department of Endocrinology, La Timone Hospital, Marseille, France, for a mean follow-up of >2 years (mean ± standard deviation [SD] 3.6 ± 2 years). Initial pre- and post-GK radiosurgery evaluations were performed, including weight, body mass index (BMI), and a complete endocrinological workup...
June 2017: Epilepsia
https://www.readbyqxmd.com/read/28585354/-real-world-pediatric-endocrine-practice-how-much-is-it-influenced-by-physician-s-gender-and-region-of-practice-results-of-an-international-survey
#10
Keren Smuel, Yonatan Yeshayahu
OBJECTIVE: To determine whether hormonal treatments for frequent clinical cases (short stature, delayed and precocious puberty) are prescribed strictly according to clinical guidelines or based on personal tendencies, and whether the decisions correlate with physician's personal demographics (age, sex, and place of practice). METHODS: Cross-sectional survey, with made-up clinical cases, distributed to pediatric endocrinologists using 2 web-based professional forums, Israeli and an international...
June 6, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28578183/central-precocious-puberty-secondary-to-adrenocortical-adenoma-in-a-female-child-case-report-and-review-of-the-literature
#11
Betül Ersoy, Deniz Kizilay, Hasan Çayirli, Peyker Temiz, Cüneyt Günşar
BACKGROUND: Pediatric adrenocortical tumors are rare but significant causes of virilization and peripheral precocious puberty (PPP). CASE: A 4-year-old girl presented with development of breast, pubic hair, and facial acne. Her bone age was advanced, and gonadotropins did not elevate in gonadotropin-releasing hormone (GnRH) test. High levels of dehydroepiandrosterone-sulfate, estradiol, and testosterone and detection of a tumor in the left adrenal gland of the abdomen by computed tomography led to a diagnosis of PPP due to adrenal tumor...
May 31, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28558376/long-term-outcomes-of-patients-with-central-precocious-puberty-due-to-hypothalamic-hamartoma-after-gnrh-analog-treatment-anthropometric-metabolic-and-reproductive-aspects
#12
Carolina O Ramos, Ana C Latronico, Priscilla Cukier, Delanie B Macedo, Danielle S Bessa, Marina C Silva, Ivo J Arnhold, Berenice B Mendonca, Vinicius N Brito
CONTEXT: Hypothalamic hamartoma (HH) represents the commonest cause of organic central precocious puberty (CPP). Follow-up of these patients at adulthood are scarce. OBJECTIVE: To describe the anthropometric, metabolic and reproductive parameters of patients with CPP due to HH before and after treatment with gonadotropin-releasing hormone analog (GnRHa). DESIGN: Retrospective and cross-sectional study. SETTING: Single tertiary center...
May 30, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28546864/the-first-japanese-case-of-central-precocious-puberty-with-a-novel-mkrn3-mutation
#13
Junko Nishioka, Hirohito Shima, Maki Fukami, Shuichi Yatsuga, Takako Matsumoto, Kikumi Ushijima, Miyuki Kitamura, Yasutoshi Koga
MKRN3, located on chromosome 15q11.2, encodes makorin ring-finger 3, which is an upstream suppressor of the hypothalamic-pituitary-gonadal axis. Mutation of this gene induces central precocious puberty (CPP). As MKRN3 is maternally imprinted, only the paternal allele is expressed. This is the first report of an 8-year-old Japanese girl with CPP caused by a novel frameshift mutation in MKRN3 (p.Glu229Argfs*3).
2017: Human Genome Variation
https://www.readbyqxmd.com/read/28525351/association-study-of-lin28b-in-girls-with-precocious-puberty
#14
Yen-Chun Chen, Li-Min Chen, Hung-Hsun Lin, Bai-Hsiun Chen, Mei-Chyn Chao, Hui-Pin Hsiao
BACKGROUND: Central precocious puberty (CPP), predominant in girls, is defined by early development of secondary sexual characteristics driven by the early secretion of hypothalamic gonadotropin releasing hormone (GnRH) and subsequent gonadotropin. Recent studies have shown variation in the LIN28B gene is associated with timing of puberty, but only a few have show it to be associated with CPP. METHODS: This study attempted to investigate the relation between single-nucleotide polymorphisms (SNPs) in LIN28B and girls with precocious puberty...
May 24, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28508600/endocrine-disorders-developing-after-surgical-intervention-of-craniopharyngioma-in-children
#15
Kyrillus S Shohdy, Wegdan Rashad
Craniopharyngiomas, albeit their benign nature, can cause severe damage to visual, hypothalamic, endocrine and neurologic functions which make their total resection an inevitable approach to save the patient's life. However, significant therapy-related long term complications make those traditional treatment options debatable and hazardous. This review will focus on the various complications that affect the childrens' quality of life considerably such as, diabetes insipidus, precocious puberty and hypothalamic obesity...
March 2017: Pediatric Endocrinology Reviews: PER
https://www.readbyqxmd.com/read/28506340/-endocrine-and-metabolic-features-of-female-children-with-prader-willi-syndrome-an-analysis-of-4-cases
#16
Mo-Ling Wu, Juan Li, Yu Ding, Yao Chen, Guo-Ying Chang, Xiu-Min Wang, Jian Wang, Yi-Ping Shen
This article reports the clinical features and endocrine and metabolic features of 4 children with Prader-Willi syndrome (PWS). All the patients were female and aged 6-12 years at diagnosis. All of them had clinical manifestations of obesity, unusual facies, developmental retardation, and intellectual disability. Genetic detection showed that 2 patients had paternal deletion of the 15q11.2-q13 region, one patient had maternal autodiploid in the 15q11.2-q13 region, and one patient had no abnormality in the 15q11...
May 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28504506/-a-very-rare-cause-of-peripheral-precocious-puberty-in-a-girl-ovarian-sex-cord-tumor-with-annular-tubules
#17
Julia Sánchez Zahonero, José A Ruiz Domínguez, Sandra Sánchez Zahonero, M José López García
Sex cord tumor with annular tubules is an extremely uncommon gonadal stromal neoplasm. It represents 0.05-0.6% of all ovarian tumors, according to series. An unusual case is presented in a 6-year-old girl, detected as a result of an isosexual peripheral precocious puberty. The highlight of this case is that no mass attached to the ovary was found, but only a gonadal asymmetry without radiological signs of malignancy. After confirming the presence of tumoral cells by intraoperative biopsy, unilateral salpingo-oophorectomy with ipsilateral para-aortic and pelvic lymphadenectomy was performed...
June 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28500430/postnatal-feeding-with-high-fat-diet-induces-obesity-and-precocious-puberty-in-c57bl-6j-mouse-pups-a-novel-model-of-obesity-and-puberty
#18
Rahim Ullah, Yan Su, Yi Shen, Chunlu Li, Xiaoqin Xu, Jianwei Zhang, Ke Huang, Naveed Rauf, Yang He, Jingjing Cheng, Huaping Qin, Yu-Dong Zhou, Junfen Fu
Childhood obesity and obesity-related metabolic complications are induced by a high-fat postnatal diet. The lack of a suitable animal model, however, remains a considerable challenge in obesity studies. In the current study, we provided high-fat diet (HFD) to dams during lactation and to pups after weaning. We also developed a novel model of C57BL/6J mouse pups with HFD-induced postnatal obesity. Results showed that feeding with HFD induces fat deposition and obesity in pups. Furthermore, HFD more potently increased the body weight (BW) of male than female pups...
May 13, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28499829/characteristics-of-traditional-chinese-medicine-usage-in-children-with-precocious-puberty-a-nationwide-population-based-study
#19
Yi-Chun Lin, Tung-Ti Chang, Husan-Ju Chen, Chung-Hsing Wang, Mao-Feng Sun, Hung-Rong Yen
ETHNOPHARMACOLOGICAL RELEVANCE: Precocious puberty (PP) occurs in children with the early onset of pubertal development leading to physical and psychological problems. Current medical treatment is expensive and has its side effects. However, little is known about the utilization of traditional Chinese medicine (TCM) among patients with PP. To characterize the application of TCM among these patients, we conducted a nationwide population-based study. MATERIALS AND METHODS: We used the Taiwanese National Health Insurance Research Database (NHIRD), to perform a nationwide population-based study...
May 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28486374/premature-thelarche-and-the-pura-syndrome
#20
Joshua Rezkalla, Tiffany Von Wald, Keith A Hansen
BACKGROUND: Premature thelarche is a self-limited condition characterized by Tanner stage II-III breast development in girls younger than 8 years of age with no evidence of advancing puberty. Evaluation concentrates on excluding central or peripheral causes of precocious puberty. CASE: A girl aged 2 years 4 months with profound hypotonia and delayed developmental milestones presented with Tanner II breast development, elevated follicle-stimulating hormone levels, suppressed luteinizing hormone level, normal growth and skeletal development, and prepubertal uterine length and ovarian volume...
June 2017: Obstetrics and Gynecology
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