hrp0097fc13.3 | Pituitary, neuroendocrinology and puberty 2 | ESPE2023

Variants in Methyl-CpG-binding protein 2 (MECP2) are associated with X-Linked Central Precocious Puberty

E Read Jordan , Guasti Leonardo , Paganoni Alyssa , Korbonits Marta , R Howard Sasha

Whilst several key genetic contributors to the phenotype of central precocious puberty (CPP) have been recognized, many familial cases remain without clear a genetic aetiology. Causal genetic variants are reported in imprinted genes Makorin ring finger protein 3 (MKRN3) and Delta-like homolog 1 (DLK1), alongside Kisspeptin-1 (KISS1) and (KISSR1), implicating mis-regulation of transcriptional control of the kisspeptin and GnRH neuroendocrine systems in onset of CPP. We recently...

hrp0097t16 | Section | ESPE2023

Dose dependent risks of glucocorticoid treatment in classic CAH

Saragolou Kyriakie , Casteràs Anna , Will Charlton R , Barnes Chris , Thornton Paul

Introduction: In congenital adrenal hyperplasia (CAH), glucocorticoid (GC) treatment must perform two functions – to replace cortisol deficiency and to suppress the excess production of adrenal androgens. Unfortunately, androgen suppression usually requires supraphysiologic GC doses, which are associated with serious comorbidities. Our study examined the exposure or dose-dependent relationships between GCs and GC-related adverse events (GCRAEs) and comor...

hrp0097p1-232 | Diabetes and Insulin | ESPE2023

A Case with Alstrom Syndrome with a Novel Pathogenic Variant In ALMS1 gene as a Rare Cause of Diabetes Mellitus

Dağdeviren Çakır Aydilek , Gizem Bolaç Özyılmaz Leyla , Uçar Ahmet

Introduction: Alstrom syndrome (ALMS) is an autosomal recessive disorder characterized by multiple organ involvement, including progressive cone-rod dystrophy, sensorineural hearing loss, childhood obesity, and type 2 diabetes mellitus. Pathogenic variants in the ALMS1 gene are the known cause for the occurrence of this devastating condition. Here, we reported a case of Alstrom syndrome with a novel homozygous variant in the ALMS gene, who presented to our cli...

hrp0097p1-193 | Thyroid | ESPE2023

Thyroid hormone resistance syndrome due to a new mutation in the TRHA gene

Tuhan Hale , Donbaloğlu Zeynep , Kırbıyık Özgür , Parlak Mesut , Demir Korcan

Introduction: Resistance to thyroid hormones is defined as lack of response of peripheral tissues to triiodothyronine (T3) which is the active form of thyroid hormones. In general (85%) a mutation is detected in the thyroid hormone receptor β (THRB) gene and more rarely, the thyroid hormone receptor α (TRHA) gene.Case: A 4.7-year-old boy, was admitted to the pediatric endocrinology outpatient clinic of Akdeniz...

hrp0097p1-199 | Thyroid | ESPE2023

Investigating the Incidence of Mild Neonatal Hyperthyrotropinaemia, a Multicentre Study

Howard-James N , McGlacken-Byrne SM , Kernan R , Carolan EC , Murphy NP

Background: Mild isolated neonatal hyperthyrotropinaemia (HTT), defined as elevated thyroid stimulating hormone (TSH) with normal free thyroxine (FT4) concentrations, may be identified by newborn screening programmes for congenital hypothyroidism (CHT) or when neonatal thyroid function tests (TFTs) are performed for a clinical indication. Reported HTT incidence rates vary (from 0.001-0.1%)1. Case definition also varies, with some authors using a TSH...

hrp0095p1-170 | Sex Differentiation, Gonads and Gynaecology, and Sex Endocrinology | ESPE2022

Increased Circulating Levels of Myo-inositol in Girls with Polycystic Ovary Syndrome

Üçer Bahadır Nisan , Metin Güler Eray , Kale Ebru , Aktaş Selman , Dağdeviren Çakır Aydilek , Kocabey Sütçü Zümrüt , Esen Firuzan , Beyaztaş Hakan , İmran Daştan Ali , Uçar Ahmet

Background: Myo-inositol(MI)is a polyol involved in intracellular signaling pathways of insulin and MI has been used orally for therapeutic purposes in girls and adult women with polycystic ovary syndrome(PCOS)with variable success. As yet, serum MI levels have not been assessed in girls with PCOS.Aim: Our primary goal was to compare serum MI levels in girls with PCOS with those in healthy peers. Secondary goal was to in...

hrp0084p2-530 | Puberty | ESPE2015

Nephrogenic Diabetes Insipidus with Partial Response to Ddavp Caused by a Novel AVPR2 Splice Site Mutation

Schernthaner-Reiter Marie Helene , Adams David , Nilsson Ola , Trivellin Giampaolo , Ramnitz Mary Scott , Raygada Margarita , Golas Gretchen , Faucz Fabio R. , Dileepan Kavitha , Lodish Maya B. , Lee Paul R. , Markello Thomas C. , Tifft Cynthia J. , Gahl William A. , Stratakis Constantine A.

Background: Congenital diabetes insipidus (DI) can be due to mutations in the arginine vasopressin (AVP) gene (familial neurohypophyseal DI), the AVP receptor type 2 (AVPR2) or aquaporin 2 (AQP2) genes (congenital nephrogenic DI, NDI). The clinical manifestation of congenital NDI, especially the response to AVP, can vary greatly depending on the functional effect of the AVPR2 mutation. Here we present two male siblings with NDI and partial response to ddAVP.<p class="abste...

hrp0095p1-359 | Pituitary, Neuroendocrinology and Puberty | ESPE2022

Primary Granulomatous Hypophysitis with Panhypopituitarism, presenting as Aseptic Meningitis in a 14-year-old boy

Stern Eve , R Cohen Zvi , Shrot Shay , Greenberg Gahl , Gruber Noah , Modan-Moses Dalit , Pinhas-Hamiel Orit

Background: Hypophysitis is an uncommon inflammatory disorder of the pituitary gland and is classified both clinically (Primary vs secondary) and histologically (lymphocytic, granulomatous or xanthomatous). Primary hypophysitis is exceptionally rare in the paediatric population with only a few cases reported, the majority being Lymphocytic Hypophysitis.Case Report: We present the case of a previously healthy 14-year-old ...

hrp0095p2-31 | Bone, Growth Plate and Mineral Metabolism | ESPE2022

Short Stature and Single Central Incisor of The Upper Maxillar: Pathogenic Variant in The SHH Gene

Dominguez-Riscart Jesus , Arellano-Ruiz Paola , Garcia-Zarzuela Ana , Modamio-Høybjør Silvia , M Lechuga-Sancho Alfonso

Introduction: The Sonic Hedgehog (SHH) gene is involved in the development of midline structures. Pathogenic variantd in this gene have been associated to holoprosencenphaly 3; Microphthalmia with coloboma 5; Schizencephaly; and Single median maxillary central incisor syndrome (SMMCIS). All of them are inherited in an autosomal dominant pattern and exhibit incomplete penetrance as well as variable expressivity.Case Report:</stron...

hrp0095p2-178 | Growth and Syndromes | ESPE2022

A Rare Cause of Proteinuria Presenting with Short Stature, Cataract, and Dysmorphic Findings: Lowe Syndrome with A Novel de Novo Mutation in the OCRL1 Gene

Gürbüz Fatih , Bilginer Gürbüz Berrak , Özalp Yüreğir Özge , Çayır Atilla

Oculocerebrorenal syndrome of Lowe (OCRL) is an X-linked and multisystem disorder with clinical symptoms of congenital cataracts, severe mental retardation, hypotonia, areflexia, and incomplete Fanconi syndrome of the proximal renal tubules. We report a 15-year-old short stature male with a severe form of OCRL syndrome, diagnosed based on bilateral congenital cataract, proteinuria, tubulopathy, and dysmorphic findings. The physical examination revealed a height of 152 cm (-2.7...