Namık Yaşar Özbek

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Little is known about renal function in children with iron deficiency anemia. The purpose of this study was to investigate renal tubular function in these children. We compared renal tubular function in 20 children with iron deficiency anemia with 20 healthy age-matched controls. Blood and urine samples were obtained for hematological and biochemical(More)
Acute myelofibrosis is characterized by pancytopenia of sudden onset, megakaryocytic hyperplasia, extensive bone marrow fibrosis, and the absence of organomegaly. Acute myelofibrosis in patients with acute lymphoblastic leukemia is extremely rare. We report a 4-year-old boy who was diagnosed as having acute massive myelofibrosis and acute lymphoblastic(More)
We report two children with hemolytic anemia during the course of hepatitis A infection. On admission, the patients had high blood urea nitrogen, creatinine, and uric acid levels, as well as anemia, leucocytosis, and direct and indirect hyperbilirubinemia. Both patients had a glucose-6-phosphate dehydrogenase deficiency (G6PD) and autoimmune antibodies.(More)
Vitamin D is important for calcium homeostasis, muscle, and bone health. It has also immunomodulatory capacities in vivo and in vitro. Regulatory T cells (Treg) have been found to suppress a number of T cell-mediated immune disorders, including allergic responses and autoimmune diseases. This study aimed to investigate the correlation between(More)
OBJECTIVE Posterior reversible leukoencephalopathy syndrome (PRES) is characterized by headache, altered mental status, cortical blindness, and seizures associated with neuroradiological findings. It involves predominantly white matter of the parieto-occipital lobes. Several medications and disorders play a role in the etiology of PRES. In this study, we(More)
The aim of this review was to compile published data on factor V 1691 G-A alteration in a healthy Turkish population and also to stimulate the reporting of unpublished data, in order to create a map for factor V Leiden (FVL) in Turkey. From a total of 4276 healthy individuals from 26 different centers of Turkey, 345 FVL carriers (7.9%) were determined. FVL(More)
OBJECTIVE This study analyzes the clinical and laboratory findings of children with primary hemophagocytic lymphohistiocytosis (HLH) followed in various referral centers of Turkey. METHODS A simple three-page questionnaire prepared by the Turkish Histiocyte Study Group was used for documentation of patient data. RESULTS Age at diagnosis varied from 0.6(More)
There are few studies evaluating the use of IgM-enriched IVIG (Pentaglobin(®) ) in HSCT recipients. This study aimed to compare the efficacy of prophylactic use of IVIG versus prophylactic use of Pentaglobin(®) within the first 100 days after allogeneic HSCT. We performed a prospective, randomized study of the use of prophylactic IVIG versus prophylactic(More)
Ferda Özbay Hoşnut1, Figen Özçay1, Barış Malbora2, Şamil Hızlı3, namık Özbek4 1Başkent University Faculty of Medicine, Department of Pediatric Gastroenterology, Hepatology, and Nutrition, Ankara, Turkey 2Dr. Sami Ulus Research and Training Hospital of Women’s and Children’s Health and Diseases, Ankara, Turkey 3Dr. Sami Ulus Research and Training Hospital of(More)