ESPE Abstracts

Background: Hypergonadotropic hypogonadism (HH) is an hallmark of Turner Syndrome (TS) and hormone replacement therapy (HRT) is often required for pubertal induction; this retrospective study highlights the pituitary-gonadal axis during infancy (<5 years), childhood (5–10.9 years) and adolescence (> 11 years) in a cohort of TS patients enrolled between February 1999 to March 2023. Our aim is to underline the diagnostic role of Gonadotropins as a ma...

Introduction: Anemia in children is still quite common, sometimes it is a secondary symptom of another rare disorder. Rendu-Osler-Weber disease, a genetically determined haemorrhagic diathesis, is characterized by the occurrence of vascular malformations leading to bleeding from the nose, skin and mucous membranes and to various internal organs. Diagnosis facilitates the occurrence of the disease in relatives of the first degree, however, due to the progressive nature of vascu...

Background: Mixed gonadal dysgenesis is most commonly associated with 45,XO/46,XY karyotype.Objective and hypotheses: We report three cases that illustrate the genotype and phenotype variability of mixed gonadal dysgenesis.Methods: Data was extracted from Pediatric Endocrinology charts in a tertiary care centre after consenting the parents.Results: i) A 13 year old patient, 45,XO/46,X, isodicentric Y chromoso...

Objectives: To evaluate the potential diagnostic role and sensitivity of T2-weighted DRIVE sequence in pituitary stalk (PS) identification and measurements in patients with hypothalamic-pituitary disorders. The degree of agreement and reliability between standard pre- and post-contrast T1-weighted images and T2-DRIVE will be tested in a large group of patients with pituitary dysfunction.Design: We searched for pituitary MRI reports using ‘T2-DRIVE&#...

Introduction: Few studies have been published comparing the liquid and tablet formulations of L-T4 in pediatric patients, with a short follow-up period. Both formulations seemed to produce a rapid normalization of thyroid fuction with a tendency of a greater TSH inhibition in children taking the L-T4 liquid drops. The aim of our study is to compare the long-term effectiveness and saftey of both liquid and tablet L-T4 therapy in CH patients up to 3 years old via a multicenter s...

Background: Hashimoto’s thyroiditis (HT) has been linked to papillary cancer in adults but not in children and adolescents. Moreover, there is no agreement on the more appropriate frequency of thyroid ultrasound (TS) in the follow-up of children with HT.Objective and hypotheses: The aim of the study was to investigate the incidence of thyroid nodules and of thyroid cancer in a large group of children and adolescents (567) with HT followed-up for a m...

Innervation of the hypothalamic median eminence by Gonadotropin-Releasing Hormone (GnRH) neurons is vital to ensure puberty onset and successful reproduction. However, the molecular and cellular mechanisms underlying median eminence development and pubertal timing are incompletely understood. Here we show that Semaphorin-6A is strongly expressed by median eminence-resident oligodendrocytes positioned adjacent to GnRH neuron projections and fenestrated capillaries, and that Sem...

Background: Turner Syndrome (TS) is a chromosomopathy affecting 1 out of 2000-2500 live births. Although short stature, heart disease and ovarian dysgenesis are the best-known features, patients have variable cognitive impairments. Aim of this study is to analyze the cognitive profile of a cohort of patients enrolled between February 2018-March 2023.Methods: 49 TS patients [Group A: 45, X0 (n=13); Group B: mosai...

Introduction: The placenta is an endocrine organ vital to fetal growth. It has multiple functions: pregnancy maintenance, nutrient and oxygen transport to the fetus, and removal of waste products among other functions. MicroRNAs (miRNAs) and proteins are significant mediators of these functions. A description of their global expression in healthy placenta may increase our understanding of the molecular biological pathways that are important for normal fetal gr...

Context: Abnormal growth and short stature are observed in patients with mitochondrial disease but it is unclear whether there is a relationship between growth, stature and muscle phenotype.Objectives: To examine growth and final height in patients with genetically confirmed mitochondrial disease, to describe growth patterns in the principle underlying genetic subgroups and to establish whether stature is related to disease severity.<p class="abstext...