ESPE Abstracts

Introduction: Leprechaunism syndrome is a very rare genetic autosomal recessive disorder (Prevalence 1 in a million births), and is caused by mutations in the insulin receptor gene.Case presentation: We report the case of a 5-month-old Algerian female, born to consanguineous parents. Birth was via caesarean section at 37 weeks gestation due to severe intrauterine growth restriction: birth weight 1800 g (< - 3.66SD), h...

Case presentation: We report the case of Imad, a 2-year- old Algerian boy referred with a 2-month history of polyuria and polydipsia. Diabetes insipidus was diagnosed by confirming hypernatremia with hyperosmolar serum and inappropriately dilute urine. His polyuria and polydipsia improved dramatically using the oral vasopressin analog. The child had no clinical signs of underlying disease, serum tumor markers were not detected and a skeletal survey suggested n...

Background: Tall stature is defined as height >02 S.D. above the population mean. The most common cause is normal familial tall stature, but some cases are pathological and require special attention.Observations: We report four clinical cases corresponding to four diagnostic categories. We describe the diagnostic approach and difficulties encountered through these cases.Case 1: A boy aged 25 months was referred f...

Background: Estrogen insensitivity syndrome is a form of functional estrogen deficiency which is caused by a defect in the estrogen receptor type α (ESR1). As a result of the receptor mutation, estrogens cannot be recognized and hence initiate their biological action on pubertal growth, skeletal maturation, and accrual of bone mass. A mutation in the gene encoding ESR1 has been described in only 2 cases (one man and one woman). We now describe the first family with ESR1 m...

Background: Turner syndrome (TS) is a genetic syndrome caused by complete or partial absence of an X chromosome. It is the most common diagnosed sex chromosome abnormality in women, affecting 1/2000–2500 female live births.Objective and hypotheses: To determine to establish the clinical, hormonal, cytogenetic, and evolutive pattern of children with TS and to establish for correlations between genotype and phenotype.Method: We ...

Background: Prader-Willi syndrome (PWS), caused by loss of paternally imprinted genes in the 15q11-13 region, results in hypogonadism which is more severe in males.Objective: To review the gonadal status of patients seen in a dedicated PWS clinic from 1990–2013 inclusive so as to establish the clinical patterns and hence to optimise future management.Method: Retrospective case note review over a 23-year period.<p class="ab...

Introduction: Prader-Willi Syndrome (PWS) is characterized by severe neonatal hypotonia and feeding difficulty with subsequent hyperphagia, hypogonadism, and short stature. PWS has a prevalence of 1 in 10,000-30,000. Obesity-related complications occur from early childhood onwards. Liraglutide is a glucagon-like peptide-1 (GLP-1) analog that reduces appetite and body weight and improves glycemic control. Scarcity of oxytocin-producing neurons in the hypothalam...

Introduction: Prompt diagnosis in Prader-Willi syndrome (PWS) is important for counselling the family and thus pre-empt the hyperphagic phase of the condition.Objectives: To determine the key diagnostic features of PWS during the perinatal period and hence recommend strategies to ensure early diagnosis.Study design: Retrospective case note review with prospective questionnaire survey of birth details for the affected child and heal...

Background: Short stature caused by point mutations or deletions of the short stature homeobox (SHOX) gene (SHOX haploinsufficiency, SHI) is a registered indication for growth hormone (GH) treatment. Patients with a SHOX enhancer deletion (SED) have a similar phenotype, but their response to GH is unknown. It is uncertain if duplications of SHOX or its enhancer (SDUP) can cause short stature.Objective and hypotheses: To describe the clinical characterist...

Background: Heterozygous pathogenic variants in the ACAN gene underlie disproportionate short stature with characteristically accelerated bone age (BA) maturation and/or osteochondritis dissecans (OD)/early-onset osteoarthritis (OA).Objective: To describe the phenotypic spectrum and assess the response and safety of growth hormone (GH) treatment in children with a heterozygous pathogenic ACAN variant.</...