ESPE Abstracts

Background: Existing tests are not 100% accurate in differentiating between isolated hypogonadotropic hypogonadism (HH) and constitutional delay of puberty (CDP) in boys. Inhibin B is a glycoprotein produced by the Sertoli cells and is measurable even before puberty. Its level increases at the beginning of puberty under the influence of FSH.Objective and hypotheses: The levels of inhibin B (InhB) could differentiate between HH and CDP. We aimed to establ...

Background: At 14 years of age for boys and 13 years for girls, delayed puberty with low gonadotropic hormones can either be a chronopathologic feature (constitutional delay of puberty – CDP) or the subclinical unmasking of a future isolated hypogonadotropic hypogonadism (IHH). The two conditions are difficult to differentiate at these specific ages.Objective and hypotheses: We aimed to identify clinical and paraclinical features which correlate wit...

Background: Glucose metabolism effects of vitamin D deficiency are debated. GH therapy is associated with increased insulin values and decreased insulin sensitivity.Objective and hypotheses: To investigate vitamin D status in short children treated with GH- to investigate if the known effects of GH therapy on glucose metabolism are modulated by vitamin D supplementation.Method: 41 children treated with GH for short stature where ev...

Introduction: Kabuki Syndrome (KS) is a rare genetic disorder characterised by dysmorphic facies, poor developmental growth, hypotonia, skeletal abnormalities, intellectual disability, as well as systemic malformations. The pathogenic or likely pathogenic variants of the KMT2D or KDM6A genes are responsible for about 70% of the cases, while the rest are diagnosed based on clinical features consistent with KS. This paper reviews the clinical features, genetic t...

Background/Aims: 46,XY gonadal dysgenesis (GD) is classified as complete (CGD) or partial (PGD) depending on gonadal morphology and function. In contrast to the typical female external genitalia in CGD, the phenotype of PGD is variable depending on androgen production. A diagnosis of PGD is based on clinical/biochemical features, gonadal histology and genetic findings. The aim of this study is to characterise these features, particularly histological, in a lar...

Background: Children with structural hypothalamic-pituitary anomalies, e.g. ectopic posterior pituitary (EPP) with/without pituitary stalk interruption syndrome, septo-optic dysplasia (SOD), and isolated anterior pituitary aplasia/hypoplasia (AP/HP) usually have more severe GHD and better auxological outcomes with GH therapy than those with normal hypothalamic-pituitary magnetic resonance imaging findings. However, adult height data is limited.Objective:...

Background: Congenital Central Hypoventilation Syndrome (CCHS) is a rare disorder of respiratory control resulting from heterozygous polyalanine repeat expansions within the Paired-Like Homeobox 2B (PHOX2B) gene. A hypoglycaemic seizure in a 4-year-old girl with CCHS, lead to a more detailed examination of glycaemic control in a cohort of children with CCHS.Objective: To describe glucose homeostasis in children with CCHS.M...

Background: Knowing the changes of cardiovascular risk factors (CRF) in relation to weight loss would be helpful to advise overweight children and their parents and to decide whether drugs should be prescribed in addition to lifestyle intervention.Objective and hypotheses: The aim of the study was to determine the degree of overweight reduction to improve CRFs in overweight children.Method: We studied changes of blood pressure (BP)...

Background: Neonatal Cushing syndrome is a rare and severe condition, mostly associated with the McCune-Albright (MCA) syndrome. Management options include medical treatment (with ketoconazole or metyrapone resulting in 11-beta-hydroxylase blockade) and radical treatment with bilateral adrenalectomy. Spontaneous regression in late infancy has been reported.Objective and hypotheses: To report on the outcome of a 14 month-old girl with severe neonatal Cush...

Background: Boys with delayed puberty represent one of the main cause for pediatric endocrine referrals. Although the majority of them have constitutional delay of growth and puberty (CDGP), it is important to identify isolated hypogonadotropic hypogonadism (IHH) for optimal management.Objective and hypotheses: The aim of the study was to evaluate the usefulness of inhibin B and AMH as biological markers for distinguishing between CDGP and IHH.<p cla...