ESPE Abstracts

Purpose: Noonan syndrome (NS) is a genetic disorder characterized by specific features including short stature, cardiac defect, and distinctive facial dysmorphism. Human growth hormone (GH) has been used to improve growth in children with NS but there is little information how GH treatment affects height. The aim of this study is to investigate efficacy of GH treatment in Korean children with NS compared to sex and age-matched patients with growth hormone defi...

Hypochondroplasia (HCH) is a skeletal dysplasia, mainly caused by mutations in the fibroblast growth factor receptor3 (FGFR3) gene and characterized by disproportionate short stature.Our main was to determine the efficacy of growth hormone therapy in children with HCH, compared with a historical cohort of 40 untreated children with HCH.Diagnosis of subjects was confirmed by the Bone Dysplasia Center2. Height standard dev...

Objective: Report 5 new variants of 7 KMT2D/KDM6A and summarize the clinical manifestations and the mutational spectrum of Kabuki syndrome (KS) by analyzing the reported Chinese cases.Methods: Blood samples were collected for whole-exome sequencing (WES) for 7 patients and their parents if available. Phenotypic and genotypic spectra of 39 previously published unrelated Chinese KS patients were summarized.<p ...

Objectives: PATRO Children is an observational, international, longitudinal study of the long-term safety of a recombinant human growth hormone (rhGH; Omnitrope®, Sandoz). The effect of rhGH treatment on growth and adult height (AH) is assessed as a secondary objective of the study.Methods: This ongoing study is conducted in hospitals and specialised endocrinology clinics across 14 countries. The study po...

Introduction: Klinefelter syndrome (KS) describes the phenotype of the most common sex chromosome abnormality in humans. About 80% of KS patients have 47,XXY karyotype, while rest of the patients can have mosaicism or other numeric or structural sex chromosome abnormalities. Tall stature is one of the hallmarks of KS and it is thought to be due to supernumerary X chromosome leading to SHOX gene overdosage. Deletion of SHOX gene, on the contrary, has been r...

Introduction: Hypomethylation at the imprinting control region 2 (IC2) on chromosome 11p15.5 is the commonest identifiable cause of Beckwith-Wiedemann Syndrome (BWS). IC2 is located in KCNQ1 intron 10 and is associated with Long QT syndrome (LQTS). A recent consensus statement on BWS1 recommends annual cardiac evaluation with electrocardiogram (ECG) in these patients. The natural history of LQTS secondary to hypomethylation at IC2 in BWS is...

We report a pediatric patient with an undiagnosed and complex medical manifestation who was shown to have paternal isodisomy at chromosome 7. Our case is a female patient presented for increasing overweight, parotid hemangioma and gastroesophageal reflux with laryngomalacia. She was born at 35+4 weeks of gestation and her birth weight, length and occipitofrontal circumference (OFC) were 2500 g, 49 cm and 33 cm, respectively. At the time of our visit she was 16 months old, ...

Objectives: To describe the auditory phenotype and dynamics of hearing thresholds in patients with Turner Syndrome (TS).Patients and Methods: Cross-section study evaluating the hearing thresholds in 246 TS patients (age range 4-44 yrs). Patients were divided into three age groups: Group 1 (79 TS, age range 4.0-12.9 yrs); Group 2 (109 TS, age range 13.0-25.9 yrs,) and Group 3 (66 TS, age range 26.0-44.9 yrs,). Pure tone a...

The prevalence of biopsy-proven CD in T1D in pediatric populations widely ranges between 2.6 in Finland to 16.4 in Algeria. Many patients with CD and T1D are either asymptomatic (silent CD) or present with only mild symptoms. CD children may be less likely to show overt growth failure but can have weight and height measures at a lower growth percentile and complain of nonspecific symptoms, including anorexia and lassitude.Aim; Patients and Methods:<p...

Objective: To determine the effect of gonadotropin-releasing hormone agonist (GnRHa) treatment on auxological outcome of Korean boys with central precocious puberty (CPP) and early puberty (EP).Methods: This study included 11 boys with CPP and 8 boys with EP who were treated with GnRHa for at least 2 years at the Pediatric Endocrine Unit of Ajou University Hospital from March 2003 to December 2015. All nineteen boys atta...

Prematurity combined with intrauterine growth retardation (small to gestational age, SGA) is a potential risk factor for adverse growth prognosis. There is insufficient evidence on this issue.Aim: to study the growth rates in preterm infants born small to gestational age, different gestational age in the first 5 years of life.Material and Methods: The prospective study included preterm infants with...

Turner syndrome (TS) patients are at risk for a constellation of neurocognitive and psychosocial diseases. TS is associated with an increased risk for difficulties with visual–spatial reasoning, visual–spatial memory, attention, executive functioning, motor, and math skills. Additionally, increased rates of social difficulties, anxiety, and depression are observed.Here we report the case of a 16-years-old Caucasian girl who came to our attentio...

Objective: Young women with Turner syndrome are known to be especially at risk for lost of follow-up. Recent literature indicates that there are disparities regarding transition readiness between different chronic conditions. To assess differences in transition readiness might be crucial for identifying special needs in specific patient cohorts when preparing for transfer to adult care. Our hypothesis was, that young women with Turner syndrome would score lowe...

Objective: Inactivating mutations in the gene encoding the alpha-subunit of Gs (GNAS) gene, which consists of exons 1-13 and encodes the alpha-subunit of the stimulatory G protein (Gsa), are associated with several clinical syndromes, including pseudohypoparathyroidism (PHP), pseudopseudohypoparathyroidism (PPHP), and progressive osseous heteroplasia (POH).Method: We documented patient clinical characteristics a...

Background: Microdeletion of 14q22q23 results in a rare chromosomal disorder associated with microphthalmia/anophthalmia, pituitary anomalies, polydactyly/syndactyly, micrognathia, growth restriction and mental retardation. Haploinsufficiency of the genes OTX2 (orthodenticle homeobox 2) and BMP4 (bone morphogenetic protein 4) are responsible for most of the phenotypic features in the 14q22q23 microdeletion syndrome. There are only a few reports about liver dys...

Introduction: Noonan Syndrome (NS) is an autosomal dominant condition that affects 1 in 1000 to 2500 live births and is associated with short stature. Studies have shown that height velocity (HV) improved significantly with the use of growth hormone (GH) in the first year of treatment and sustained for the second year. We aimed to look at the effects of GH therapy in our cohort of patients with NS.Method: In this retrosp...

Background: Cantu´ syndrome is rare disease characterized by characterized by congenital hypertrichosis, neonatal macrosomia, cardiomegaly and several other abnormalities. Gain-of-function mutations in either KCNJ8 or ABCC9 have been identified as the causative gene for Cantu´ syndrome. Here we report the first genetically diagnosed Cantu´ syndrome case in China and describe the full clinical features of the case.<p class="...

SHOX haploinsufficiency (SHOX-D) is a genetic cause of disharmonic short stature. However, the different impact on phenotype can show differences between patients with the same genotype.GH ameliorates final height, with significant differences between patients for the putative role of environmental factors who can influence growth.We describe the case of two sisters with SHOX-D (target height: 146.8 cm (-2.6SDS); mother: 146.5 cm; ...

We evaluated the effect of GFD on the growth of children with the classical form of CD on long-term GFD (> 2 years).Methods: We studied growth parameters (weight gain/day, BMI and BMISDS, HtSDS) and lab data for 30 prepubertal children aged 8.5 years +/−3 years with CD, who were on GFD since the age of 3.4 years +/−2.6 years (> 2 years on GFD) for duration of 1 year. The anthropometric data of 30 randomly sele...

Previous studies have shown that poor adherence to recombinant human growth hormone (r-hGH; Saizen®) therapy is associated with decreased efficacy outcomes and increased healthcare costs. Easypod™ is the only electronic injection device that enables continuous monitoring of adherence to treatment. Early recognition of non-adherence is essential in the management of long-term outcomes of r-hGH therapy. This analysis aimed to evaluate adherence to r-hGH therapy adminis...

Background: 3-M syndrome is an autosomal recessive growth disorder characterised by severe prenatal and postnatal growth retardation caused by mutations in CUL7,OBSL1 or CCDC8.Clinical characteristics include dysmorphic facial features and skeletal abnormalities.Aim: Evaluation of clinical and molecular findings and the effect of growth hormone (GH) threrapy in seven patients with 3-M syndrome from five different familie...

Introduction: Klinefelter syndrome (KS) is a form of aneuploidy resulting from 2 or more X chromosomes in a male. The most common karyotype is 47, XXY. KS affects physical and intellectual development to varying degrees, commonly causing hypo-development of secondary sexual characters and high stature.Case Report: JLV, male, 3 year 1 month age, the first child of a young non-consanguineous couple, was referred to the ped...

Background: okur-chung neurodevelopmental syndrome was confirmed to be associated with developmental disorders attributed to germline CSNK2A1 pathogenic missense variants. Only 26 cases and 22 kinds of genotype have been reported in the world so far. All reports highlighted the recognizable facial features of the syndrome as well as frequently occurring clinical features including neurodevelopmental delay, short stature, gastrointestinal, musculoskeletal and i...

Introduction: Growth hormone therapy (GHT); have been used in rare diseases such as growth hormone deficiency (GHD), panhipopituitarism (PHP), intrauterine growth retardation (IUGR), Turner Syndrome(TS) for many years while the effects of diagnostic timing on the treatment results are known. However,data on the diagnosis and treatment processes of these diseases are limited in our country. The aim of this study was to evaluate the results of diagnosis, follow-...

Sickle cell anemia (SCA) is the most common subtype of sickle cell disease (SCD) worldwide of The disease is highly prevalent in Sub Saharan Africa with a prevalence rate of 3% in Nigeria; a country with a population of over 180 million. Growth failure is a recognized clinical feature in SCA patients which culminates to short stature if unaddressed. Late presentation/age at diagnosis is one of the daunting challenges. Despite the high prevalence of children with SCA in Wes...

Background: Schaaf-Yang syndrome is caused by heterozygous mutation in the MAGEL2 gene (605283) on chromosome 15q11. Schaaf-Yang Syndrome is an autosomal dominant multisystem disorder characterized by psychomotor and mental retardation, hypotension, and behavioral abnormalities. Additional signs include joint contractures, feeding difficulties and various dysmorphic features. The severity of the disorder varies greatly: some patients may live with moderate dis...

Background: Papillary thyroid cancer has been described in three patients with Turner syndrome (TS) who received growth hormone therapy (Cabanas P, 2005; Bautembach-Minkowska J, 2018). We are presenting a case of papillary thyroid cancer in a girl with a late-diagnosed Turner syndrome who has not received any hormonal therapy up to 17 years.Clinical case: A girl was diagnosed with TS syndrome (karyotype 45XO/46X i(X)q) a...

Background: Silver Russell Syndrome(SRS) is a rare heterogeneous genetic disorder, which is mostly known because of its prenatal and postnatal growth retardation. Patients with Russell silver syndrome have syndromic facial appearance as well as some other common clinical features. The last guideline for diagnosis of SRS is Netchine– Harbison clinical scoring system that is clinical scoring system and followed by molecular evaluation.<p class="abstext"...