Lauren A Ray, Deborah F Billmire, Michael J Ferguson, Erica A Eugster
INTRODUCTION: Ovarian Sertoli cell tumors represent a subset of sex cord-stromal tumors and are exceedingly rare in prepubertal children. Here we report a girl with vaginal bleeding due to a Sertoli cell tumor who was originally thought to have McCune-Albright syndrome (MAS). CASE PRESENTATION: A previously healthy girl presented at age two years six months with breast development and vaginal bleeding. On exam, she had Tanner 4 breasts, Tanner 1 pubic hair, estrogenized vaginal mucosa, and a café-au-lait macule...
April 16, 2024: Hormone Research in Pædiatrics
Martin O Savage
No abstract text is available yet for this article.
April 13, 2024: Hormone Research in Pædiatrics
Flaminia Pugnaloni, Ludovica Martini, Domenico Umberto De Rose, Francesca Landolfo, Paola Giliberti, Rosario Ruta, Antonio Novelli, Novella Rapini, Fabrizio Barbetti, Alessandra Toscano, Andrea Conforti, Pietro Bagolan, Irma Capolupo, Andrea Dotta
INTRODUCTION: GATA6 is a gene that encodes a transcription factor with a key role in the development of several organ systems, including the development of the pancreas. It is associated with neonatal diabetes but also with other extra-pancreatic anomalies. CASE PRESENTATION: This report describes the association of tracheoesophageal fistula (TEF), pulmonary vein stenosis (PVS), and neonatal diabetes caused by a novel mutation of the GATA6 gene in a small-for-gestational-age male neonate born at 32 weeks of gestation...
April 4, 2024: Hormone Research in Pædiatrics
Marcos Abdul Palligas, Cristina Patricia Nemer, Claudia Monica Cannizzaro, Maria Sonia Baquedano, Alicia Belgorosky, Nora Saraco
INTRODUCTION: Being born either large (LGA) or small for gestational age (SGA) has been associated with an increased risk of developing metabolic syndrome in adulthood. However, the mechanism underlying this early programming remained unclear. Estrogen-related receptor gamma (ERRγ) is an orphan nuclear receptor with a high expression in human placenta, particularly ERRγ1. ERRγ has been proposed to play a central role in controlling genes involved in energy metabolism...
March 26, 2024: Hormone Research in Pædiatrics
Joseph I Wolfsdorf, Terry G J Derks, Danielle Drachmann, Pratik Shah, Paul S Thornton, David A Weinstein
Sick children often have a decreased appetite and experience vomiting and diarrhea; however, hypoglycemia (plasma glucose concentration ≤50 mg/dL or 2.8 mmol/L) is rare. Ketotic hypoglycemia (KH) is the most common cause of hypoglycemia presenting to an Emergency Department in a previously healthy child between 6 months and 6 years of age. Ketosis and hypoglycemia are now well understood to be normal physiologic responses of young children to prolonged fasting. There is now substantial evidence that the term KH describes a variety of conditions including both the lower end of the normal distribution of fasting tolerance in young children as well as numerous rare disorders that impair fasting adaptation...
March 21, 2024: Hormone Research in Pædiatrics
Hiroyuki Tanaka, Mayuko Tamura, Mirai Muto, Yuka Kinoshita, Nobuaki Ito, Akira Oka, Sachiko Kitanaka
INTRODUCTION: Autosomal dominant hypophosphatemic rickets (ADHR) is caused by pathogenic variants in the fibroblast growth factor 23 (FGF23) gene, which plays a key role in the regulation of phosphorus metabolism. FGF23 has the RXXR motif recognized by furin, leading to cleavage between R179 and S180 and thereby inactivating the protein's function. Previously reported variants in FGF23 causing ADHR occurred only affecting residues R176 or R179, which are located in the RXXR motif, leading to impaired cleavage...
March 15, 2024: Hormone Research in Pædiatrics
Sabrina Criscuolo, Cristina Partenope, Mario Tortora, Ved Bhushan Arya, Assunta Albanese
INTRODUCTION: Paediatric brain tumours in the sellar-suprasellar region (SSR) are often associated with arginine vasopressin peptide deficiency (AVPD), either at diagnosis caused by the tumour itself or during follow-up as consequence of treatments. The purpose of this research is to retrospectively describe the neuroradiological characteristics and the timing of AVPD development in a cohort of paediatric patients with craniopharyngioma (CP) or germ cell tumours (GCT). METHODS: We evaluated brain MRI at tumour diagnosis and at the onset of AVPD, as well as recorded clinical, endocrinological and histopathological data, treatments, and outcome...
March 15, 2024: Hormone Research in Pædiatrics
Neil R Lawrence, Irina A Bacila, Gary Collins, Jeremy Dawson, Zi-Qiang Lang, Xiaochen Ji, S Faisal Ahmed, Sabah Alvi, Louise Eleanor Bath, Joanne Blair, Tim Cheetham, Elizabeth Clare Crowne, Justin H Davies, Mehul Dattani, Evelien F Gevers, Ruth Krone, Leena Patel, Ajay Thankamony, Tabitha Randell, Fiona Ryan, Sue Elford, Sallyann Blackett, Nils P Krone
INTRODUCTION: Quantifying differences in service provision for children and young people (CYP) living with Congenital Adrenal Hyperplasia (CAH) across the United Kingdom. METHODS: A national service evaluation using online questionnaires circulated to patients and clinicians from secondary and tertiary UK centres managing CYP with CAH, and via the "Living with CAH" support group mailing list. RESULTS: Total of 195 responses relating to patients aged 0-20 years attending 33 clinics (43 patients, 152 carers), as well as 34 clinicians from 18 trusts working across the 33 clinics...
March 12, 2024: Hormone Research in Pædiatrics
Lucie Levaillant, Agnès Linglart, Emmanuelle Letamendia, Claire Boithias, Samra Ouaras-Lounis, Patrice Thérond, Anne-Sophie Lambert, Mathieu Levaillant, Jean-Claude Souberbielle, Alexandra Benachi, Vincent Gajdos
INTRODUCTION: Serum calcium rapidly declines at birth because of the sudden interruption of the maternal-fetal calcium influx. Several factors are known to influence serum calcium in the first days of life, including circulating concentrations of maternal vitamin D. Objective was to establish the normal range variations of neonatal serum calcium according to the French current vitamin D supplementation during pregnancy, i.e. 100,000 IU of cholecalciferol during the third trimester. METHODS: We included in our prospective cohort study 1002 mother-newborn dyads from, with recruitments from April 2012 to July 2014 in France, in two recruiting centers located in Paris neighborhoods...
March 12, 2024: Hormone Research in Pædiatrics
Jussi Tennilä, Harri Sintonen, Paulina Utriainen, Raimo Voutilainen, Jarmo Jääskeläinen, Jani Liimatta
INTRODUCTION: Children with premature adrenarche (PA) have increased adrenal androgen concentrations and earlier pubertal development than their peers. Early sexual maturation and exposure to androgens have both been associated with an increased risk for neuropsychological adversities in adulthood. Such adversities would presumably influence the experienced health-related quality of life (HRQoL) of those affected. METHODS: A longitudinal case-control cohort study, in which 30 PA girls and 40 age-matched controls were followed from childhood to young adult age...
March 12, 2024: Hormone Research in Pædiatrics
Alison Murray, Sonia Priscila Rodas Marquez, Mansa Krishnamurthy, Oscar Lopez-Nunez, Juan P Gurria, Andrew T Trout, Susan Almazan, Krishnamallika Mutyala, Amy Shah, Jonathan Howell
Introduction Multiple Endocrine Neoplasia Type 1 (MEN1) is an autosomal dominant inherited disorder defined by the presence of two of the following endocrinopathies: primary hyperparathyroidism, anterior pituitary tumors, and duodenopancreatic neuroendocrine tumors (NETs). NETs, which can secrete hormones including insulin, gastrin, and glucagon, among others, are common in patients with MEN1 and are a major cause of morbidity and premature death. NETs are more common later in life, with very few cases described in children...
March 5, 2024: Hormone Research in Pædiatrics
Jean De Schepper, Muriel Thomas, Koen Huysentruyt, Marianne Becker, Emese Boros, Kristina Casteels, Olimpia Chivu, Kathleen De Waele, Hilde Dotremont, Philippe A Lysy, Guy Massa, Anne-Simone Parent, Anne Rochtus, Inge Gies
Introduction A variable near adult height (NAH) outcome after growth hormone (GH) therapy in Noonan syndrome (NS) patients with short stature has been reported. The main objective of this study was to evaluate NAH and body mass index (BMI) evolution in a large Belgian cohort of NS patients treated for short stature. The secondary objectives were to investigate whether sex, genotype, the presence of a thoracic deformity and/or a heart anomaly might affect NAH and to validate the recently developed NAH prediction model by Ranke et al...
March 1, 2024: Hormone Research in Pædiatrics
Tim Rj Aeppli, Emelie Benyi, Henrik Wehtje, Dionisios Chrysis, Lars Sävendahl
INTRODUCTION: Treatment options in patients with extreme tall stature are limited. Bilateral epiphysiodesis has emerged as a possible treatment method aiming to reduce final height. However, there is still insufficient data on long-term safety and final height outcome. Therefore, the aim of this study was to assess the efficacy and safety of bilateral epiphysiodesis to reduce final adult height in tall adolescents. METHODS: The study population consisted of 72 patients with extreme tall stature who were followed at the Pediatric Endocrine Clinic at the Karolinska University Hospital, Stockholm (Sweden) and subsequently underwent bilateral epiphysiodesis around the knees (girls n=45, boys n=27)...
February 23, 2024: Hormone Research in Pædiatrics
Pon Ramya Gokul, Louise Apperley, Jennifer Parkinson, Kate Clark, Kim Lund, Megan Owens, Senthil Senniappan
INTRODUCTION: Childhood obesity is a global concern and has both nutritional and genetic causative factors. One of the most common monogenic causes of obesity is heterozygous mutations in the Melanocortin 4 receptor (MC4R), which are found in 5.7% to 8.6% of individuals with early-onset obesity. We report, the effect of Semaglutide, a long-acting Glucagon like peptide (GLP1) analogue, in the treatment of severe obesity in an adolescent boy with a heterozygous mutation in MC4R. CASE PRESENTATION: A 13-year-old boy with a history of excessive weight gain since infancy was referred to the specialised weight management team...
February 23, 2024: Hormone Research in Pædiatrics
Shlomit Shalitin
BACKGROUND: In recent years, remarkable advances in cancer immunotherapy have been introduced in the field of oncology. Since the discovery of immune checkpoints inhibitors (ICIs), these groups of medications have become a crucial treatment for several types of adult cancer. SUMMARY: To date, pediatric experience with this group of medications is limited. Nevertheless, as clinicians we have to be aware of the possible immune-related adverse events including immune-related endocrinopathies (thyroid dysfunction, diabetes mellitus, adrenal insufficiency, and pituitary insufficiency) that have been reported regarding these medications...
February 23, 2024: Hormone Research in Pædiatrics
Mimi S Kim, Trevor A Pickering, Devyn L Cotter, Nicole R Fraga, Shan Luo, Cindy Y Won, Mitchell E Geffner, Megan M Herting
INTRODUCTION: Patients with classical congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency exhibit an increased prevalence of obesity from childhood including central adiposity and inflammation. There is also an emerging affected brain phenotype in CAH, with decreased cortico-limbic gray matter volumes and white matter abnormalities. We aimed to study the relationship between brain structure, obesity, and inflammation in children and adolescents with CAH compared to controls...
February 19, 2024: Hormone Research in Pædiatrics
Demi J Trueba-Timmermans, Lionne N Grootjen, Alicia F Juriaans, Gerthe F Kerkhof, Edmond H H M Rings, Anita C S Hokken-Koelega
INTRODUCTION: Severe obesity can develop in children with PWS when food intake is not controlled. Maintenance of body weight requires an energy balance, of which energy intake and energy expenditure are important components. Previous studies described a decreased resting energy expenditure (REE) in growth hormone (GH)-untreated children with PWS. In short-term studies, no difference in REE was found between GH-treated and untreated children with PWS. However, there are limited data on REE in children with PWS who were GH-treated for a long period...
February 16, 2024: Hormone Research in Pædiatrics
Kazuhiro Shimura, Yosuke Ichihashi, Satsuki Nakano, Takeshi Sato, Takashi Hamajima, Keita Numasawa, Satoshi Narumi, Tomonobu Hasegawa, Tomohiro Ishii
INTRODUCTION: The testicular regression syndrome (TRS) is a form of differences of sex development (DSD) in which the testes differentiate and function during early embryonic development, but subsequently regress. The clinical phenotype of TRS often overlaps with that of partial gonadal dysgenesis (PGD). Previous studies have demonstrated a causal association between TRS/PGD and heterozygous missense variants of DHX37. METHODS: We enrolled 11 Japanese 46,XY individuals (from 10 families) with TRS/PGD who exhibited undetected or hypoplastic testes, Müllerian duct regression, and low serum testosterone or anti-Müllerian hormone levels...
February 15, 2024: Hormone Research in Pædiatrics
Despoina M Galetaki, Andrew Dauber
BACKGROUND: Short stature is one of the most common reasons for referral to a pediatric endocrinologist, that can be due to multitude of conditions, including an ever-growing list of genetic etiologies. Despite the numerous different causes, options for medical therapy remain quite limited, with the primary medication available being recombinant human growth hormone (rhGH). A second option is recombinant insulin-like growth factor 1 (rIGF-1) in select patients with severe primary IGF-1 deficiency...
February 8, 2024: Hormone Research in Pædiatrics
Chiraz Ghaddhab, Cameron C Capper, Stéphanie Larrivée-Vanier, Wissam Fayad, Patricia Olivier, Guy Van Vliet, Richard J Auchus, Johnny Deladoëy
Introduction Aldosterone synthase deficiency is a rare autosomal recessive disease characterized by vomiting, dehydration, salt wasting, life-threatening hyperkalemia in infancy, followed by failure to thrive. It results from pathogenic variants in CYP11B2. Case Presentation A boy, born in Montreal to Lebanese parents who are first cousins, was referred at nine days of life for severe dehydration. A diagnosis of primary adrenal insufficiency was made, and treatment was started with fludrocortisone and hydrocortisone...
February 5, 2024: Hormone Research in Pædiatrics
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