objective: the aim of present study was to evaluate the quality, density and thickness of newly formed bone in experimental defects treated with combi-pack®, bio-oss® and biostite®. materials and methods: eight new zealand white rabbits were included in this randomized,blinded study. four equal 3×6 mm bone defects were created on the frontal and parietal bones of each animal and three were imme...

abstract hydatid disease is caused by echinococcus spp. especially echinococcus granulosus that is the most common cause of hydatid disease in humans. this disease occurs either through direct contact with infected dogs or indirectly from the ingestion of contaminated water or food with eggs of worms. the most common site in human is the liver (59-75%), followed in frequency by lung (27%), kidn...

background: primary malignant bone tumors are heterogeneous groups of neoplasms, which affect mainly children and adolescents. the most common types are osteosarcoma, ewing sarcoma and chondrosarcoma. elevation of scd30 and scd40l has been observed in lymphoma, leukemia and autoimmune disorders. objective: to evaluate serum concentrations of scd30 and scd40l in patients with primary malignant b...

a case of bilateral intraosseous tumor of the calcaneus with different mri imaging is presented. on the left, radiological findings suggest intraosseous lipoma, but on the right-sided lesion, imaging studies were not convincing. the microscopic report showed foreign body granulomatous reaction, a rare clinical pathological discordant.

results treatments through mirnas can prove to be beneficial due to its small size, easy synthesis, targeted and quick delivery. conclusions further work is needed to be done to make mirna treatments available to large number of people suffering from various bone diseases. context mirnas can regulate the expression of genes by interfering in their mrnas, acting as key regulators of diverse cell...

eighteen patients, twelve men and six women, with aplastic anemia underwent allogenic bone marrow transplantation (bmt) from hla-matched siblings during the period of 1990 to 1996. the conditioning regimen was cyclophosphamide with or without busulfan, depending on the cause of aplasia. antilymphocyte globulin (alg) and cyclosporine were used for rejection and acute gvhd prophylaxis, respective...

introduction: scintigraphy has been considered as a useful tool in the assessment of meniscal tears. our objective was to assess the accuracy of single photon emission tomography (spect), using mri as the gold standard, in the diagnosis of meniscal tears. materials and methods: between january 2003 and february 2005, 45 patients were studied with spect and mri. results: the respective sensitivi...

this study is concerned with the viability of producing biodiesel from waste beef bone fat and evaluate this product according to the quality requirements defined by astm d- 6751. accordingly, beef bone fat was heated to remove the moisture under vacuum at 60 . alkaline catalysed transesterfication was carried out by  using 6:1 molar ratio of ethanol to fat in the presence of 1% w/w sodium hydr...

osteosarcoma is a primary malignant tumor of bone, which can involve jaws. this article reviews osteosarcoma of the jaws referred to the department of oral pathology, dental faculty of tehran university of medical sicences and pathology department of cancer institiute in imam khomeini hospital during 30 years from 1349 to 1378 and also reviews jaw osteosarcoma in english literature. the purpose...

osteoporosis as a skeletal disorder characterize by compromised bone strength predisposing a person to an increased risk of fracture. all people should be encouraged to take efforts to prevent bone loss and fractures. nutrition is one of several factors that can be modified to reduce osteoporosis risk. the purpose of this review article is assessment the role of the other nutrients the exceptio...