vitamin d is essential for growth and vitamin d deficiency is important issue in adolescent girls as they have a limited rapid growth period .this cross sectional study was done on 167 female students in secondary guidance school in 2006. growth parameters, taking supplementary vitamin d, using sunscreen creams and the type of housing and their avoidance from exposure to sunlight was recorded. ...

platelet adherence surrounding leucocytes in a rosette formation or platelet satellitism is a rare phenomenon. this finding has been observed almost exclusively in ethylenediaminetetraacetic acid treated blood at room temperature. the mechanism underlying this phenomenon is not fully understood. in many reports of platelet satellitism platelets clump to polymorphonuclear neutrophils in healthy ...

the purpose of this study was to investigate any association between iga deficiency (igad) and juvenile rheumatoid arthritis (jra) among iranian children. this case-control study was carried out on 83 children who were diagnosed as jra according to american college of rheumatology (acr) criteria; patients were admitted at the rheumatology clinic of children's medical center, (tehran). serum imm...

background several studies indicated that there is a high prevalence of vitamin d deficiency in middle east countries. objectives the aim of this study was to determine the prevalence and assess some risk factors of vitamin d deficiency among women attending our clinics in tehran, the capital of iran. patients and methods five hundred and thirty-eight women aged 20-80 years were entered in this...

glucose-6-phosphate dehydrogenase (g6pd) deficiency is the most prevalent enzymopathy in mankind. it has sex-linked in­heritance. this enzyme exists in all cells.  g6pd deficiency increases the sensitivity of red blood cells to oxidative dam­age. g6pd deficiency was discovered in 1950 when some people suffered hemolytic anemia as a result of taking antimalar­ial drugs (primaquin). most people w...

Glucose-6-Phosphate dehydrogenase (G6PD) deficiency is a common enzyme deficiency in the world. It's Prevalence inIranis about 12% in male & about 1% in female. The present study did examine the relation between the development of preeclampsia and G6PD deficiency. It was investigated whether or not the risk of preeclampsia in G6PD deficient women is higher than that in normal pregnant women.A t...

glucose-6-phosphate dehydrogenase (g6pd) deficiency is a common enzyme deficiency in the world. it's prevalence iniranis about 12% in male & about 1% in female. the present study did examine the relation between the development of preeclampsia and g6pd deficiency. it was investigated whether or not the risk of preeclampsia in g6pd deficient women is higher than that in normal pregnant women. a ...

introduction: iron deficiency (id) is the most prevalent nutritional disorder in the world. the prevalence of iron deficiency anemia (ida) is about 9% in toddlers, 9-11% in adolescent girls and less than 1% in teenage boys. ida presents when there is not sufficient iron for haemoglobin synthesis. in particular it has negative effects on the behavior, cognitive performance, immune system and phy...

background: iron deficiency and its related anemia, which is the world’s most widespread nutritional deficiency, can be one of the possible consequences of regular blood donation. this research was carried out to compare iron stores in regular blood donors and first-time blood donors in tehran regional blood transfusion center. materials and methods: this study was carried out on 2,149 male blo...