Aşan Önder

Learn More
OBJECTIVE To investigate serum asymmetric dimethylarginine (ADMA) levels in children with isolated growth hormone deficiency (GHD) and to determine the effect of GH replacement therapy on these levels. METHODS 31 patients diagnosed with isolated GHD and 29 age-and sex-matched healthy children were enrolled in the study. Height, weight and waist(More)
The cut-off value of serum prostate-specific antigen (PSA) level in prediction of bone metastases and the correlation of serum PSA with the clinical stage, grade, score and the rate of bone metastases have been investigated in cases of prostate cancer (PCa). The study population consisted of 160 patients with histologically proven PCa between April, 1993(More)
OBJECTIVE Hyperinsulinemic hypoglycemia (HIH) is a genetically heterogeneous disorder with both familial and sporadic variants. Patients with HIH may present during the neonatal period, infancy, or childhood and may show transient, prolonged, and persistent features. In this study, we aimed to discuss our experience with HIH patients, based on a series of(More)
Thyroid nodule prevalence is about 1.8% in healthy children; however, malignancy frequency is higher than in adults. Approximately 26.4% of thyroid nodules generate thyroid cancer in childhood. Coexisting thyroid disease, history of irradiation of the neck, post-pubertal age, female sex, and thyroid malignancy in the family are risk factors for developing(More)
OBJECTIVE Training teachers and education professionals on diabetes is crucial for full-time monitoring of diabetic children in schools. The objective of this study was to assess the knowledge on diabetes in a group of school teachers in Turkey. METHODS Between November 2010 and November 2011, 1054 teachers from three regions of Ankara were given a(More)
Schwannomas, also called neurilemmomas, are a rare type of tumour in the body and even more rare in the retroperitoneal cavity. They arise from Schwann cells of the peripheral nerves. Retroperitoneal Schwannomas are rare and they account for 0.7 to 2.7% of all Schwannomas. They are slow growing tumours, and their location in the retroperitoneum is(More)
Ovarian steroid cell tumors are rarely encountered in prepubertal girls. The majority of these tumors produce hormones, testosterone being the leading one. These tumors may either coexist with or imitate congenital adrenal hyperplasia (CAH). We present a 13-year-old female patient who was diagnosed with non-classical CAH at six years of age while being(More)
A combination of Turner syndrome (TS) and classical congenital adrenal hyperplasia (CAH) is rare. A one-day-old newborn was referred to our hospital with ambiguous genitalia. The parents were third-degree relatives. The infant's weight was 3350g (50-75p), and the head circumference was 34.5cm (50p). The gonads were nonpalpable. Presence of a 3 cm phallus,(More)
BACKGROUND Maturity-onset diabetes of the youth (MODY), is a genetically and clinically heterogeneous group of diseasesand is often misdiagnosed as type 1 or type 2 diabetes. The aim of this study is to investigate both novel and proven mutations of 11 MODY genes in Turkish children by using targeted next generation sequencing. METHODS A panel of 11 MODY(More)
BACKGROUND/AIM This study aimed to describe the spectrum and frequency of cardiovascular abnormalities in pediatric and young adult patients with Turner syndrome (TS) using cardiac MRI and MR angiography. MATERIALS AND METHODS This prospective study consisted of 47 female patients of pediatric age and young adults with a karyotypically confirmed diagnosis(More)