Primary malignant neoplasms of the pericardium are rare and are predominantly mesotheliomas, followed by benign localized fibrous mesothelioma, malignant fibrosarcoma, angiosarcoma and benign and malignant teratomas. 1 This article concerns an atypical presentation of this malignant tumor with symptoms and signs of pericardial effusion. This unusual feature was complete encasement of the h...

low birth weight infants are at risk of many problems. therefore their outcome must evaluate in different ages especially in school age. in this study we determined prevalence of ophthalmic, hearing, speaking and school readiness problems in children who were born low birth weight and compared them with normal birth weight children. in a cross-sectional and retrospective study, all primary scho...

background and aims. the superiority of rotary systems has been reported in several clinical studies on permanent teeth. this study consisted of radiographic assessment and chair time of rotary instruments in the pulpectomy of primary second molar teeth. materials and methods. in this randomized controlled clinical study, 46 children, 3-6 years of age, were selected. the patients were divided r...

an ectopically placed parathyroid in the mediastinum is a rare cause of persistent or recurrent primary hyperparathyroidism. they are rarely in a huge size. we report a case of a 70-year-old man with a history of total parathyroidectomy and thymectomy presented with a lack of appetite, nausea, and generalized bone pain, polydipsia and a calcium level of 14.4 mg/dl. 99m tc-sestamibi scintigraphy...

background: in vitro model studies are becoming increasingly popular for experimental research designs. they include isolation and expansion of cells of a particular tissue, such as the nervous tissue which contributes to understanding the underlying mechanisms in many pathologies. it enables  the scrutinization of intracellular signaling pathways responsible for cell death. objectives: in the ...

background and objectives: primary amenorrhea is not a disease but a symptom that may result from several quite different causes[nn1] . common hormonal cause of primary amenorrhea includes constitutional delay, hypothalamic –pituitary dysfunction, chronic systemic disease and absent ovarian function. the aim of this study was to estimate the incidence of the chromosomal abnormality referred for...

a 63-year-old woman suffering from progressive systemic sclerosis for about 20 years disclosed symptoms of liver disease within the last three years. diagnosis of biliary cirrhosis was established on the basis of clinical picture, pathological examination of the hepatic tissue sample, immunological tests, and x-ray studies. association of systemic sclerosis with primary biliary cirrhosis is bri...

introduction: in restorative dentistry, selecting the proper material is an important factor for clinical success. the objective of this study was clinical evaluation of survival time of three tooth color materials in primary anterior teeth. methods: in this interventional clinical trial study, 94 deciduous anterior teeth (36 teeth in boys, 58 teeth in girls) belonging to 3-5 year old children ...

introduction camurati-engelmann disease (ced) is a rare autosomal dominant disease with various phenotypic expressions. the symptoms usually develop during childhood. the hallmark of the disease is bilateral symmetric diaphyseal hyperostosis of the long bones with progressive involvement of the metaphysis. the epiphysis is strictly spared. the common clinical symptoms are pain of the extremitie...

conclusions the explained framework components regarding peer mediation are useful to design peace education programs and to empower school-age children in peer mediation. results within the provided framework, the participants' views and comments were classified into two major categories “educational empowerment” and “social empowerment”, and into two themes; “program” and “advocacy”. the “pro...