ESPE Abstracts

Background: Genetic diversity of mutations in the CYP21A2 gene is the main cause of the monogenic Congenital adrenal hyperplasia (CAH) disorder. On chromosome 6p23.1, the CYP21A2 gene is partially overlapped by the TNXB gene and reside in tandem with their highly homologous corresponding pseudogenes (CYP21A1P and TNXA), which leads to recurrent homologous recombination.Methods and Results: The genetic s...

Background: Type 2 diabetes (T2DM) increases in parallel with obesity in childhood. T2DM can be associated with cardiovascular risk (CVR) even childhood.Objective: To investigate the presence of CVR criterions in children with T2DM and to detect CVR as the earliest age as possible.Method: This study enrolled 84 (58 Girls) children with T2DM. OGTT was performed in 47 children. Biochemical and hormonal analyses were performed in fast...

Introduction: Aromatase deficiency leading to virilization in mother and female fetuses during pregnancy is a rare disease. It is characterized by impaired estrogen production, increased gonadotropins, and ovarian cysts. Herein, we report a clinical phenotype of the virilized female due to a novel compound heterozygous mutation in CYP19A1.Case report: A 4-month-old girl was referred due to cliteromegaly. Her mother had developed acne, hair loss,...

Introduction: High doses of biotin are reported to cause incorrect results in various immunoassays in some patients. However, there is no systematic study regarding biotin interference in childhood.Aim: To assess thyroid function with different methods in subjects with biotinidase deficiency, to determine the factors causing interference, and to investigate the efficiency of the methods for overcoming interference.Method: The study...

Background: The inactivating mutations of CYP24A1 (OMIM*126065) were first identified in idiopathic infantile hypercalcemia (IH) and named IH-type1 (IH1). However, biallelic mutations were later associated with hypercalcemia at various ages. In our study, we aimed to present the clinical and laboratory findings of our patients who presented with hypercalcemia and were found to have a mutation in CYP24A1.Methods and Resul...

Background: There exists limited data regarding genetic etiology of hypophosphatemic rickets in Turkey.Objective and hypotheses: To investigate the type of genetic defect in 16 index children and their families (12 unrelated, 1 related).Method: Following clinical and laboratory assessment, PHEX analysis was made initially unless a mutation in another gene was suspected. If negative, FGF23, SLC34A3, SL...

Introduction: The most common causes of hyperthyroidism in the pediatric age group are autoimmune conditions (Graves' disease or Hashitoxicosis). Hyperfunctioning thyroid carcinomas are rarely reported. In this case report, we present a 17-year-old girl who was diagnosed with papillary thyroid carcinoma upon testing for hyperthyroidism.Case: A 17-year-old girl had presented to another center with a 1-month history of...

Background: C1q/tumor necrosis factor-related proteins (CTRPs) are the recently recognized members of the adipokine family, secreted from adipose tissue. Some types of CTRPs, including CTRP-13, play an important role in energy metabolism in humans. Also, CTRP-13 was found as an anorexigenic factor in experimental studies.Objective: We aimed to investigate serum CTRP-13 levels in obese and healthy children, as well as the...

Introduction and Aim: Pubertal gynecomastia is the transient proliferation of glandular tissue in breasts of men without any endocrin pathology. Relatively higher levels of estrogen than plasma testosteron levels and imbalance between tissue estrogen and testosteron levels are considered to be important in pathogenesis. In this study it is aimed to determine the clinical and laboratory properties of our patients who were diagnosed as pubertal gynecomastia and compare with heal...

Objective: Hyperthyroidism is rarely seen in the childhood. In this study, we evaluated the reference sign and symptoms and following laboratory and treatment results of the hyperthyroidism cases.Method: Data of the 78 patients were extracted from hospital records retrospectively. Patients’ height, weight, BMI and laboratory results at the time of diagnosis are recorded. Antithyroid drug doses at the 2th, 6th, 12th months after diagnoses are compare...