ESPE Abstracts

Background: There are two liquid formulations of Levothyroxine currently in use in Italy: one containing ethanol (Tirosint®) and the other ethanol-free (Tifactor®). The aim of our study is to compare the two liquid formulations of Levothyroxine in the first six months of treatment in newborns affected by Congenital Hypothyroidism (CH).Methods: We retrospectively enrolled 156 patients treated with the ethanol-cont...

Iodine is the most important element in thyroid function. Its deficiency and excess can cause hypothyroidism. Our location has been known as the iodine deficiency area for the last 20 years. In this study, we aimed to investigate thyroid dysfunction and assess its relationship with iodine levels in the neonatal period.Method: One hundred and seventy newborns were included in the study. Infants were selected from patients referred to for ...

Background: Achondroplasia (ACH), caused by a pathogenic variant in the fibroblast growth factor receptor 3 gene (FGFR3), is characterized by severe growth failure and may be associated with multisystemic complications. The clinical phenotype is variable and relates to deformity of rhizomelic shortened legs, and myelon compression at cranial base and spine. Recent guidelines are published for diagnostic workflow, neurosurgical, orthopaedic and otorhinolaryngol...

Background: Bone age (BA) is commonly used in pediatrics to define skeletal maturity for medical and non-medical purposes. Normal range is represented by 2 standard deviations (SDs) above and below the mean. A BA greater than ±2 SDs from the chronological age (CA) is considered abnormal. BA in achondroplasia (ACH) has not been fully characterized; calculation is challenging given difficulties in comparing x-rays with standard radiographs if using the Greuli...

NMDA (N-Methyl-D-aspartic acid) receptors have been shown to control the timing of sexual maturation in laboratory animals. Therefore, variants in genes impacting NMDA receptor signaling might be predicted to affect human puberty. We studied an extended family with extremely delayed puberty (menarche at 16.5 - 18 years for female family members and pubertal onset at 16 years for male family members). Exome sequencing revealed a rare missense variant (F900V) in DLG2, w...

Background: Congenital hypothyroidism(CH) is the most common neonatal endocrinological disorder in the world. Although most of the CH is sporadic, some genetic defects are responsible from the etiology. The aim of this study was to determine the genetic and etiological factors of CH.Methods: 49 patients(female;n=24), from 24 families were included in the study. The data, collected retrospectively, consisted ...

Background: Leydig Cell Hypoplasia (LCH) is a very rare autosomal recessive condition that is manifested by a wide spectrum of phenotypes, ranging from completely female external genitalia to male genitalia. Long-term outcome in these patients is unclear.Objectives: To assess sex assignment, clinical characteristics and long-term outcome of 46,XY LCH cases.Patients and Methods: Thr...

Background/Aim: Diabetes with extra-pancreatic features in children can have a monogenic aetiology. Single gene testing is undertaken when children present with the characteristic clinical features suggestive of the underlying aetiology. We aim to assess the utility of comprehensive genetic testing for all monogenic diabetes genes in children with diabetes and any non-autoimmune extra-pancreatic features from a population with a high rate of consanguinity.<p class="abstext...

Background: Hypothalamic-pituitary (HP) deficiencies are frequent in childhood brain tumor survivors (CBTS) after cranial radiation. There is currently no consensus on the most optimal way to screen for HP dysfunction regarding diagnostic tests or time interval. It is not known whether MRI changes in time in the HP-region or in brain volume are predictive of HP dysfunction.Aim: To quantify changes in the HP-region and in brain volume on MRI in CBTS after...

Background: Following the 2010 CAH consensus, the need for genetic confirmation of diagnosis remains uncertain and variation in practice is unclear.Methods: This variation was assessed by using the International CAH(I-CAH) Registry which was developed using the same platform as the I-DSD Registry.Results: After the development of the I-CAH Registry in October 2014, the rate of addition of CAH cases increased from 2/month to 14/mont...