hrp0086p2-p764 | Pituitary and Neuroendocrinology P2 | ESPE2016

Kallmann Syndrome Due to a Homozygous Missense c.217C>T (p.R73C) Mutation Detected in the Exon-2 of the PROK2 Gene

Ozturk Mehmet Nuri , Demirbilek Huseyin , Kotan Leman Damla , Baysal Birsen , Ocal Murat , Topaloglu Ali Kemal

Background: Kallmann syndrome (KS), the prototype of anosmic idiopathic hypogonadotropic hypogonadism (IHH), is charecterized with HH acompanied by anosmia, absence or hypoplasia of olfactory bulbus due to defective morphogenesis. Mutations in 10 genes have been reported to cause KS while can clarify the underlying molecular defect in about 30–50% of IHH/KS cases. Beside, PROK2 gene mutations are extremely rare cause of KS. Herein, we present KS due to a homozygo...

hrp0086p2-p300 | Diabetes P2 | ESPE2016

Evaluation of the Epidemiological, Presenting and Follow-up Characteristics and their Impacts on the Glycemic Control in a Large Cohort of Pediatric Type 1 Diabetes Mellitus Patients from Southeastern Anatolian Region of Turkey

Ozbek Mehmet Nuri , Demirbilek Huseyin , Baysal Birsen , Baran Riza Taner , Haliloglu Belma , Ocal Murat

Background: Type 1 diabetes mellitus (T1DM) is one of the most common chronic disease in childhood. Evaluation of the factors that have impact on the glycemic control and developement of complications would help to develop preventive strategies for management of this group of patients.Objective and hypotheses: To evaluate epidemiological, presenting and follow up characteristics and their relationship with glycemic control in pediatric T1DM patients from...

hrp0092p1-254 | Pituitary, Neuroendocrinology and Puberty (1) | ESPE2019

A Novel Approach for the Evaluation of Hypothalamic-Pituitary Region in Patients with Growth Hormone Deficiency: Pons Ratio

Demiral Meliha , Karaca Mehmet Salih , Unal Edip , Baysal Birsen , Baran Riza Taner , Demirbilek Huseyin , Ozbek Mehmet Nuri

Objective: In patients with growth hormone deficiency (GHD), even in those with no major organic lesion, anterior pituitary height (APH) is reported decreased. Limitations in the evaluation of APH and changes according to pubertal status make its validity questionable. Recently, in a small scale study, pons ratio (PR) has been suggested as a more sensitive marker for evaluation of pituitary gland in GHD patients. The study aims to evaluate the validity of PR a...

hrp0084p3-1008 | Growth | ESPE2015

Presenting Characteristics, Auxological, and Aetiologic Evaluation of 364 Patients with GH Deficiency

Ozbek Mehmet Nuri , Baysal Birsen , Tanriverdi Sibel , Deniz Ahmet , Oncel Kahraman , Ocal Murat , Baran Riza Taner , Demirbilek Huseyin

Background: GH deficiency (GHD), can either be isolated (IGHD) or part of multiple pituitary hormone deficiency (MPHD), is a pituitary hormone disorder that manifests with short stature.Objective and hypotheses: To evaluate the presenting characteristics, auxological and etiologic factors of GHD in a large cohort from a single tertiary paediatric endocrine centre.Methods: Hospital files of patients followed with GHD deficiency at D...

hrp0084p3-1078 | Hypo | ESPE2015

Long Acting Somatostatin Analogues in the Management of Congenital Hyperinsulinism in Cases with Poor Compliance to Conventional Therapy

Demirbilek Huseyin , Oncel Kahraman , Ozbek Mehmet Nuri , Deniz Ahmet , Baysal Birsen , Arya Ved Bhushan , Flanagan Sarah E , Ellard Sian , Hussain Khalid

Background: Congenital hyperinsulinism (CHI), is the most common cause of severe hypoglycaemia in neonates and infants. The cornerstone of medical therapy is diazoxide. Octreotide, a somatostatin analogue, is the second therapeutic option in diazoxide unresponsive cases. However, due to its short half-life and requirement of multiple daily doses, lack of compliance may cause recurring hypoglycaemia and related neurological deficits, particularly for the family with low socioec...

hrp0092p3-65 | Diabetes and Insulin | ESPE2019

Insulin-Induced Oedema in a Child with Newly Diagnosed Diabetes Mellitus

Cakir Meltem Didem , Baysal Ozlem

Oedema is a care complication of insulin therapy. It affects mainly patients with newly diagnosed type 1 diabetes mellitus, poorly controlled diabetes mellitus or patients on large doses of insulin. There are only a few case report showing that it is an uncommon and probably an under-reported complication. Two mecanisms are known: the sodium and water retention and vasoactive mediators release. The oedema tends to develop shortly after initiation of insulin therapy and resolve...

hrp0094p1-41 | Sex Endocrinology and Gonads A | ESPE2021

Phenotypic Characteristics of Patients with 45,X/46,XY Mosaicism: Growth, Gonadal Pathology and Tumour Risk

Poyrazoglu Sukran , Bas Firdevs , Karaman Birsen , Yildiz Melek , Basaran Seher , Darendeliler Feyza ,

Background: The 45,X/46,XY mosaicism represents a wide spectrum of phenotypes, from phenotypically normal females to males and varying degrees of genital ambiguity. Growth seems to be impaired in these patients. It is associated with increased risk of germ cell tumours.Aim: To evaluate growth, gonadal function and tumour risk in a large group of children with 45,X/46,XY mosaicism in a single tertiary centre.<p class=...

hrp0094p1-127 | Growth A | ESPE2021

Evaluation of early puberty in boys and girls with Silver-Russell Syndrome: Discordance between testicular growth and pituitary-gonadal hormones in male cases

Yildiz Melek , Bas Firdevs , Karaman Birsen , Poyrazoglu Sukran , Basaran Seher , Darendeliler Feyza ,

Background: In Silver-Russell Syndrome (SRS), it is known that puberty starts early, frequency of premature adrenarche increases and adrenarche progresses aggressively. However, data regarding gonadal functions and testicular development in males during pubertal period is still insufficient.Methods: Twenty-four cases (9F, 15M) who were followed-up with diagnosis of SRS between 1990-2020 were included in the study. The di...

hrp0092p1-306 | Adrenals and HPA Axis (2) | ESPE2019

Genotype-Phenotype Correlation and Clinical Findings in 145 Patients with Congenital Adrenal Hyperplasia: Single Centre Experience

Cilsaat Gizem , Toksoy Guven , Bas Firdevs , Karaman Birsen , Poyrazoglu Sukran , Uyguner Oya , Basaran Seher , Altinoglu Umut , Darendeliler Feyza

Introduction: Congenital adrenal hyperplasia (CAH) is a group of autosomal recessive disorders of adrenal steroidogenesis.Aim: The purpose of this study was to investigate genotype-phenotype correlation, clinical findings and long-term outcomes in patients with CAH due to 11β-hydroxylase deficiency (11β-OHD) and 21-hydroxylase deficiency (21-OHD).Paients and methods...

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...