introduction: plastination is a unique technique for preservation of biological specimens used for teaching purposes. the protocol of flexible sheet plastination includes fixation, slicing, dehydration, force impregnation, casting, and curing (hajian, rabiei, fatollahpour & esfandiary, 2008). the procedure is done by using p87 flexible unsaturated polyester resin and provides heavy, gross, frag...

there are only a few, non-evidence based, neuroprotective strategies for treatment and prevention of brain injuries after closed head trauma. to establish new therapy strategies, a novel animal model is needed. the aim of our investigation was to link standardized small animal models and actual patient medical care. data of experimental small animal studies often cannot be transferred to cns in...

abstract background histologically confirmed meningiomas in first year of life are quite rare. however, review of the sporadic cases in the literature reported meningioma in infants. those have unique features in common. case presentation an 11 month-old iranian male infant presented with a several weeks history of decrease in movement of his right sided upper and lower extremities. brain mri r...

introduction an unusual incidence of tuberculosis in different parts of the body is called tuberculomas. the rate of brain tuberculosis is rare. case presentation the following case of tuberculamas of the brain, presented by enhancing rings of meninges, is reported because of its rarity. it was a case of brain tuberculomas in a 15-year-old girl with primary symptoms of headache and general weak...

Because the tropical regions of America harbor the highest concentration of butterfly species, its fauna has attracted considerable attention. Much less is known about the butterflies of southern South America, particularly Argentina, where over 1,200 species occur. To advance understanding of this fauna, we assembled a DNA barcode reference library for 417 butterfly species of Argentina, focus...

traumatic brain injury (tbi) is an important clinical problem in the worldwide and especially due to breaking driving rules in iran, but undesirable consequences of trauma can persist for the rest of patient’s life. we investigated the effect of a novel weight drop model of tbi on incidence of seizure 2 weeks after tbi. in this regard, 21 male wistar rat weighted 250-300 gr randomly were divide...

background: very few studies have utilized specific criteria to assess mental disorders in brain tumor patients. this study aimed to diagnose mental disorders in this population using dsm-iv (depression, sleep, and mood) criteria. methods: from march 2007 to july 2009, the surgically treated patients with intracranial neoplasm were included in the study. these patients were examined in an ambul...

in this study we tried to assess the incidence rate of shunt complications and it's association with age, sex, location of shunt, duration of surgery, and so on. for this purpose in a prospective study, 82 cases of hydrocephalus after shunt insertion, during the period of two years (1375-1377) in shariati hospital were selected and all the complications were evaluated. from the patients, 3...

background : magnetic resonance imaging (mri) offers higher diagnostic accuracy for brain lesions caused by heroin abuse compared to compute tomography (ct) scan. these lesions have a low signal on t1-weighted (t1w) images and a high signal on t2-weighted (t2w) and fluid-attenuated inversion recovery (flair) images. this study aimed to evaluate the role of diffusion-weighted mri (dwi-mri) in he...