ESPE Abstracts

Background: Hereditary hypophosphatemic rickets with hypercalciuria(HHRH; OMIM: 241530) is a rare autosomal recessive disorder,which is the result of loss-of-function mutations in the sodium-phosphate-cotransporter NPT2c.This disorder is characterized by renal phosphate(Pi) wasting,hypercalciuria,increased 1,25 (OH)2-D levels and decreased parathormone(PTH) levels.Here we report the clinical features of two siblings with HHRH,confirmed with molecula...

Background/Aim: Gender identity disorder (GID) is a condition, which is characterized by incongruence between experienced gender and the natal-sex, which also causes deterioration of functionality. After psychiatric evaluations, medical treatment for adolescents with GID consists of 3 phases. First phase is the suppression of puberty with GnRH-analogues, which may be considered to be supporting the diagnostic process. In the second phase, cross-sex steroid hor...

Introduction: Growth hormone (GH) treatment is used to accelerate growth in patients with Turner syndrome (TS). During treatment, evaluation of IGF-1 is strongly recommended for efficacy and safety. Some patients, despite optimum GH doses, have persistent high IGF-1 levels. In this study, we aimed to evaluate the relationship between IGF-1 levels, IGF1R and growth responses of TS patients on GH treatment.Method: 54 patie...

Background: Turner syndrome (TS) is a genetic disorder related to complete or partial absense of the second X chromosome. TS is characterized by short stature, multiple skeletal anomalies, gonadal failure, autoimmune diseases and multiple congenital organ anomalies. This study aimed to determine phenotype and karyotype correlation and define the frequency of associated problems in TS patients.Methods: Our retrospective s...

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 ...

Hypophosphatasia is characterized by defective mineralization of bone and/or teeth in the presence of low activity of serum and bone alkaline phosphatase. Clinical features range from stillbirth without mineralized bone at the severe end to pathologic fractures of the lower extremities in later adulthood at the mild end. Although the disease spectrum is a continuum, six clinical forms are usually recognized based on age at diagnosis and severity of features: Perinatal (severe)...

The calcium-sensing receptor (CaSR) is a member of the G protein coupled receptor family. It is mostly found in the parathyroid gland and renal tubule. CaSR disorders occur with inherited or acquired mutations. Familial hypocalciuric hypercalcemia syndromes are associated with inactivating mutations in CaSR. The heterozygous form is “benign familial hypercalcemia” and the homozygous form is “neonatal hyperparathyroidism”. In this article, “benign ...

Background: Although adequate hydration is recommended for healthy nutrition, the link between less water consumption and obesity is not exactly known. It was demonstrated that less hydrated adults had a higher body mass index (BMI). Data in children are rather limited. Our aim was to compare the hydration status between obese and non-obese children.Subjects and methods: Children aged between 7 and 18 years who had a BMI over 2 standard deviation score (...

Background: Idiopathic premature adrenarche (PA) in girls refers to the presence of androgenic signs before the age of 8 years in the absence of thelarche. Increased adrenal androgens lead to changes in body composition and transient growth acceleration without effecting final height. Although the association between PA and some components of the metabolic syndrome is well known, total body fat and body composition analysis are not widely studied.Subject...

Copy-number variation (CNV) is a kind of malfunction of DNA polymerase to produce extra genetic material which leads to more number of repeats in genes. CNVs have been associated with different clinical phenotypes, such as learning disabilities, short stature, and intellectual disability. The chromosomal microarray analysis is an effective diagnostic method for identifying new CNVs and understanding their clinical effects. In this case report, a variation that has not been rep...