hrp0089p2-p376 | Thyroid P2 | ESPE2018

Long Term Monitoring of Graves Disease in Children and Adolescents: Single Center Experience

Tunc Selma , Koprulu Ozge , Ortac Hatice , Nalbantoğlu Ozlem , Dizdarer Ceyhun , Demir Korcan , Ozkan Behzat

Introduction: Antithyroid Drugs (ATD) are generally preferred at the onset of treatment with no consensus on the duration of ATD (propylthiouracil, methymasole) treatment Graves disease in children.Objective: Examining the effectiveness of ATD treatment on children and adolescents and determining the risk factors of remission and relapse.Method: A total of 45 cases with ages varying between 1–18 years diagnosed with Graves dis...

hrp0086p2-p72 | Adrenal P2 | ESPE2016

The ımpact of 21 Hydroxylase Deficiency on Cardiac Repolarization Changes in Children with 21-hydroxylase-deficient Congenital Adrenal Hyperplasia

Korkmaz Huseyin Anıl , Ozdemir Rahmi , Kucuk Mehmet , Karadeniz Cem , Meşe Timur , Ozkan Behzat

Background: To the best of our knowledge, no study has been conducted to assess the impact of 21 hydroxylase deficiency and hidrocortisone treatment on electrocardiographic measures in children with 21-hydroxylase-deficient congenital adrenal hyperplasia.Objective and hypotheses: The purpose of this study is to compare the12-lead electrocardiographic measures such as PWd, QT interval, QTd, Tp-e interval, Tp-e/QT and Tp-e/QTc ratio in patients of 21-hydro...

hrp0086p1-p233 | Diabetes P1 | ESPE2016

Higher-Than-Conventional Subcutaneous Regular Insulin Doses Following Diabetic Ketoacidosis are Associated with Better Short-term Glycemic Control

Bag Ozlem , Tunc Selma , Nalbantoglu Ozlem , Ecevit Cigdem , Ozturk Aysel , Ozkan Behzat , Demir Korcan

Background: While some guidelines recommend 0.5–1.0 units/kg per day of subcutaneous insulin following resolution of diabetic ketoacidosis (DKA), up to 2 units/kg/day are used in various centers.Objective and hypotheses: To test the hypothesis that higher initial insulin doses would be more efficient during first 48 h of subcutaneous insulin therapy after DKA in cases with new-onset type 1 diabetes.Method: Records of patients ...

hrp0082p2-d3-357 | Diabetes (2) | ESPE2014

Early-Onset Autoinflammatory Partial Lipodystrophy Characterized by Recurrent Fever and Rash: Candle Syndrome

Demir Korcan , Yildiz Melek , Makay Balahan , Korkmaz Huseyin Anil , Elmas Ozlem Nalbantoglu , Ozkan Behzat

Background: CANDLE (chronic atypical neutrophilic dermatosis with lipodystrophy and elevated temperature) syndrome is a recently described autoinflammatory disease that manifests in early infancy with recurrent fever, violaceous swelling of the eyelids, purpuric skin lesions, hypochromic anemia and elevated acute phase reactants. It is autosomal recessively inherited and associated with partial lipodystrophy, growth retardation and hepatomegaly. PSMB8 (proteasome subu...

hrp0082p2-d2-583 | Sex Development (1) | ESPE2014

Novel Mutation in a Newborn with a Rare Cause of 46,XY Sex Reversal: 17β- Hydroxysteroid Dehydrogenase Type 3 Deficiency

Demir Korcan , Yildiz Melek , Elmas Ozlem Nalbantoglu , Korkmaz Huseyin Anil , Ozkan Behzat

Background: 17β-Hydroxysteroid dehydrogenase type 3 (17β-HSD3) deficiency is a rare cause of 46,XY sex reversal due to a defect in conversion of androstenedione to testosterone. It is autosomal recessively inherited and caused by mutations in 17HSD3.Objective and hypotheses: To define clinical and laboratory characteristics of 17β-HSD3 deficiency during neonatal period.Method: An 8-day-old newborn with female externa...

hrp0084p1-12 | Bone | ESPE2015

Genetic Diagnosis Using Whole Exome Analysis in Two Cases with Malign Infantile Osteopetrosis

Demir Korcan , Nalbantoglu Ozlem , Karaer Kadri , Korkmaz Huseyin Anil , Yildiz Melek , Tunc Selma , Ozkan Behzat

Aim: Osteopetrosis is caused by autosomal mutations occurring in nine genes (TNFRSF11A, TNFSF11, TCIRG1, CLCN7, OSTM1, SNX10, PLEKHM1, CA2, and LRP5). Detecting the aetiology and providing genetic counselling via individual mutation analysis of all these genes is expensive and time consuming. Whole exome sequencing is currently increasingly used given that the cost and the time needed are similar to that of single gene sequencing analysis. Here, two newborns,...

hrp0092p3-2 | Adrenals and HPA Axis | ESPE2019

A Rare Cause of Primer Adrenal Insufficiency: NROB1 (DAX1) Mutation

Koprulu Ozge , Acar Sezer , Nalbantoglu Ozlem , Kirbiyik Ozgur , Arslan Gulcin , Ozkaya Beyhan , Ozdemir Taha Resid , Ozkan Behzat

Introduction: Congenital adrenal hypoplasia, a rare cause of childhood primer adrenal insufficiency, is caused by defects in transcription factors involved in the development of adrenal gland. One of them is the NROB1 (DAX1) gene, localized in Xp21.2. DAX1 mutations have been identified that cause X-linked adrenal hypoplasia congenita. Infants affected with X-linked adrenal hypoplasia congenita may present with salt-wasting, micropenis or cry...

hrp0086p2-p493 | Fat Metabolism and Obesity P2 | ESPE2016

Melanocortin-4 Receptor Gene Mutations in a Group of Turkish Obese Children and Adolescents

Tunc Selma , Demir Korcan , Tukun F Ajlan , Topal Cihan , Hazan Filiz , Saglam Burcu , Nalbantoglu Ozlem , Yildiz Melek , Ozkan Behzat

Background: Melanocortin-4 receptor (MC4R) mutations are the most common known cause of monogenic obesity but there is no data for Turkish children.Objective: To determine the prevalence of MC4R mutations in a group of Turkish morbid obese children and adolescents.Method: MC4R gene was sequenced in 47 consecutive morbidly obese children and adolescents (28 girls and 19 boys, aged 1–18 years) who presented dur...

hrp0082p3-d2-720 | Diabetes (1) | ESPE2014

Anti-Cyclic Citrullinated Peptide Antibodies are not Frequent in Children with Type 1 Diabetes

Yildiz Melek , Isleten Figen , Demir Korcan , Celik Nilufer , Korkmaz Huseyin Anil , Tuglu Birsen , Elmas Ozlem Nalbantoglu , Ozkan Behzat

Background: Type 1 diabetes mellitus is characterized by presence of several organ specific autoantibodies. Anti-cyclic citrullinated peptide (anti-CCP) antibody is a promising marker of rheumatoid arthritis (RA) which is known to coincide with autoimmune diabetes. Presence of these antibodies was not investigated in children with type 1 diabetes.Objective and hypotheses: To evaluate presence of anti-CCP antibodies in children with type 1 diabetes compar...

hrp0084p2-216 | Bone | ESPE2015

A Case with Acrodysostosis and Hormone Resistance

Tunc Selma , Demir Korcan , Hazan Filiz , Kirbiyik Ozgur , Soyaltin Eren , Nalbantoglu Ozlem , Yildiz Melek , Korkmaz Huseyin Anil , Ozkan Behzat

Aim: Acrodysostosis is a rare genetic syndrome characterized by small hands and feet with short, stubby fingers and toes, cone shaped epiphyses, broad nasal root, various abnormalities of mandible, skull, and vertebra, short stature, and mental retardation. Because of the hormone resistance that would accompany, acrodysostosis can be confused with pseudohypoparathyroidism. Mutations of PRKAR1A and PDE4D are reported to be responsible for the disease in less t...