ESPE Abstracts

Introduction: Peripheral precocious puberty is a non-gonadotropin-dependent early pubertal development. Exogenous intake of sex steroids, gonadal or adrenal pathologies, ectopic hCG-secreting lesions play a role in the etiology. Adrenal tumors is a rare cause of heterosexual precocious puberty.Case: An eight-year-old female patient was admitted with the complaints of genital hair growth and breast enlargement. The patien...

Introduction: The aim of this study was to investigate the molecular genetic etiology and to determine the relationship between genotype and phenotype with targeted next-generation sequence (NGS)analysis.Method: Patients with a clinical diagnosis of OI were included in the study. Initially, mutations in COL1A1 and COL1A2 genes which are known to be most responsible for OI were investigated. In the second step, a targeted...

Background: Gordon Holmes syndrome (GHS) is characterized by cerebellar ataxia/atrophy and normosmic hypogonadotropic hypogonadism (nHH). The underlying pathophysiology of this combined neurodegeneration and nHH remains unknown.Patients and methods: We studied a cohort of multiplex families with GHS through autozygosity mapping and whole exome sequencing.Results: We identified patients from three independent families carrying loss-...

Background: Gonadotropin independent precocious puberty (GIPP) is caused by a heterogenous group of disorders. With the exception of congenital adrenal hyperplasia (CAH), disorders causing GIPP are uncommon, and there are no studies evaluating the etiologic distribution of GIPP in a large cohort.Objective and hypotheses: To find out the relative frequencies of each etiological group in patients with non-CAH GIPP and also to evaluate the clinical and labo...

Background: Thyroid cancer is a very rare malignancy of childhood. Approximately they account for 1.5% of all cancers before 15 years of age. In our country, this rate is %0.4 before 20 years of age.Aims and objectives: To analyses the clinical features and treatment results of children with thyroid malignancy in Turkey.Methods: In this multicentric and retrospective study the demographic and clinical characteristics of 124 childre...

We present the case of a now 11 years old girl with the ultra-rare severe insulin resistance Rabson-Mendenhall syndrome due to the previously undescribed compound heterozygous mutations exon 16: c.2986A>G (Paternal) and intron 9: c.2029+1G>T (maternal) of the insulin receptor gene. The phenotypic findings were composed of dystrophy (birth weight 1970g, small for gestational age), hyperglycemia (up to 400mg/dl), severe acanthosis nigricans and mild cardiac septal hyperpla...

We have investigated two siblings, a sister and a brother, who presented at the age of 2 years, with central hypothyroidism, short stature and early onset obesity. The older sister presented at the age of 6 months with central hypothyroidism and was started on a low dose of thyroid hormone (25 ug l-thyroxine). Her growth continued to be poor and at the age of 2 years and 6 months her height was −3.98 SDS. She was started on growth hormone followed by a rapid catch-up gro...

Background: Deficiency of microsomal membrane enzyme 5α reductase 2 impairs the DHT production and differentiation of external genitalia, seminal vesicles and prostate in males. The present study describes the Genotype-Phenotype in inter-familial and intra-familial patients with same mutation of SRD5A2 gene.Methods: All patients underwent detailed clinical evaluation, hormonal profile, karyotyping and molecular analysis of SRD5A2 g...

Background: Thyroid imaging is recommended to determine the aetiology of congenital hypothyroidism (CHT). Currently scintigraphy is the gold standard imaging modality. Negative scinitigraphy despite the presence of thyroid tissue may lead to a spurious diagnosis of athyreosis. Few centres routinely perform both scinitgraphy and ultrasound so that the incidence of misclassified athyreosis is unknown.Aim: To describe the incidence of sonographically normal...

Background: Pubertal gynaecomastia (PG) is considered a clinical sign of an oestrogen–androgen imbalance at the breast tissue level although little evidence exists. PG occurs in 40–60% of adolescent Caucasian boys, and in most cases however, no underlying endocrinopathy can be identified. Very few longitudinal studies on PG exist.Objective and method: As a part of the longitudinal COPENHAGEN Puberty Study we followed 110 healthy Danish boys (ag...