silver nanoparticles (agnps) have gained considerable interests during the last decade due to their excellent antimicrobial activities. despite their extensive use, the potential toxicity of these nanoparticles and possible mechanisms by which they may induce adverse reactions have not received sufficient attention and no specific biomarker exist to describe and quantify their toxic effects. na...

Silver Nanoparticles (AgNPs) have gained considerable interests during the last decade due to their excellent antimicrobial activities. Despite their extensive use, the potential toxicity of these nanoparticles and possible mechanisms by which they may induce adverse reactions have not received sufficient attention and no specific biomarker exist to describe and quantify their toxic effects. Na...

human infection with echinococcus granulosis is a common disease throughout south america, the mediterranean littoral, the middle east, central asia and east africa, which usually occur in children and young adults. formation of avascular cystic lesions in the liver, kidney, pancreas, bones, vitreus and brain can cause protean of signs and symptoms. intracranial cysts usually present with focal...

we describe a 40-year-old woman presenting with headache, nausea, episodic amnesia and blurred optic disc. brain mri disclosed diffuse leptomeningeal enhancement. csf analysis showed aseptic meningitis with elevated ace level. neurosarcoidosis was diagnosed based on granulomatosis changes on tissue biopsy.

background & objectives: the accurate assessment of the diseased tissue is fundamental to the diagnosis and management of disorders of the central nervous system (cns). the ‛squash’ or ‛crush’ technique has been universally employed in the intraoperative diagnosis of cns tumors. the aim of our study was to evaluate the accuracy of squash preparation in diagnosing cns tumors by comparing wit...

posttraumatic cerebral infarction is a rare complication and is an indicator of poor clinical outcome of head-trauma in spite of appropriate medical and surgical interventions. cerebellar infarction following head trauma is also very rare and only a few reported cases are available in literatures. a 2-year-old child sustained head injury in a car accident and underwent surgery because of cerebr...

The intravital deposition of silver in the chorioid plexuses, area postrema, intercolumnar tubercle, neurohypophysis, and pineal body of rats, given 1.5 gm. of silver nitrate per liter of drinking water for periods of up to one year, has been investigated by electron microscopy. Unlike other parts of the central nervous system, these regions store large amounts of silver. In all of these struct...

we present 16 years old girl with primary breast lymphoma involving the both breasts simultaneously and co-incidence of central nervous system (cns) involvement which originated from the breast, in addition to evidence of lymphoma in multi-organ such as skin, mediastinum and some abdominal viscera. bilaterality has been observed in some series, but reports are few and series are often very smal...