Background: Vestibular Schwannoma (VS) is one of the skull base tumors originating from vestibular portion of eighth cranial nerve. Recently, 2 micro-Thulium laser is used in the surgery of some intracranial tumors. Objectives: Assessing the efficacy of 2 micro-Thulium flexible hand-held laser fiber (RevolixjrÒ) in microsurgical removal of VS. Materials and Methods: This retrospect...

purpose: to evaluate the influence of donor characteristics (age, death-to-preservation time, preservation-to-surgery time, graft rating, and endothelial cell features) on clinical outcomes following deep anterior lamellar keratoplasty (dalk) in patients with keratoconus. methods: in this retrospective study, 290 consecutive keratoconic eyes underwent dalk using donor corneas of different quali...

with the aims of protecting and exploiting the effects and values of imposed war and preventing the destruction and distorting them, the foundation for the preservation and publication of sacred defense works and values was established on february 26, 1991 by a command of the supreme leader and the commander-in-chief of the armed forces. then, the central headquarters of the rahian-e noor was c...

The presented developments are the result of specific behaviors observed experimentally in steady state on a saturated single phase Magnetic Circuit (MC) supplied by sinusoidal voltage. originalities that characterize content this article at 3 levels. first relates to definition semi-analytical method investigations which makes it possible predetermine behavior MC taking into account its imperf...

because of national and international importance of the anzali international wetland, this study attempts to determine the preservation value and estimate willingness to pay (wtp) by iranian households for preserving this wetland, using contingent valuation method. a logit model was employed with maximum likelihood estimation procedure. results showed, education level of householder, informativ...

this study aimed to evaluate freeze-dried sera as an alternative to non-freeze dried for detection of anti-leishmania infantum antibodies over the course of 11 months using the direct agglutination test (dat).altogether, 60 serum samples (30 from humans and 30 from dogs) were collected from various geographical locations in iran. all the collected sera were pooled and each pooled serum sample c...

in spite of the technologies developed during the last decade, the level of food loss is still high and is reported in many countries. according to the united nations, more than 30 per cent of the mortality rate world-wide is caused by alimentary diseases. the desire of most countries to make food safer for consumption requires better food preservation and production techniques. in this regard,...

As the efficacies of anticancer therapies were increase and quite efficient early diagnoses have been taken place in gynecological cancer, increased long-term survival of cancer patients and long-term complications of anticancer treatments are being encountered. The lost of ovarian reserve or function due to gonadal toxicity is the major problem that mainly focused. A wide range of new fertilit...