background: because of its effect on speech and swallowing, laryngeal squamous cell carcinoma is a devastating disease which has been shown to have a poor survival rate. abundant research is being carried out in search of novel biomarkers that can aid the process of diagnosis and treatment of this disease. fxyd3, a modulator of na/k-atpase, is presented as a biomarker in some cancers. fxyd3 exp...

copper sulfate is one of the most important pollutant in aquaculture systems. the aim of the present study was of the histopathological changes of some organs of common carp. copper sulphate can be considered as a toxic agent for fish.the effect of copper sulphate at 0. 0 1 mg/l as a constant bath was studied on common carp (cyprinus carpio) weighing about 100g. at 19±1°c for one month. tissue ...

Introduction: Full crown preparation may have adverse effects on pulp tissue. In this study, the effect of full-crown preparation on intact versus inflamed pulp tissue was studied. Methods: Fifteen healthy mature cats were randomly selected for this study. The study was performed on four canine teeth of each cat. Cats were anesthetized and then radiographs were taken from the canine teeth. Clas...

Introduction The free and pedicled flap reconstruction for defects of the head neck demands a postoperative monitoring routine. This task is usually performed by visual examination flap, doppler sonography pinpricking. In case impaired perfusion surgical revision only way to prevent necrosis. Hyperspectral imaging non-invasive optical method that can be used tissue classification visualize oxyg...

the present study aims to report a case of conjunctival necrosis and scleritis due to a subtenon injection of triamcinolone acetonate. a 15-year-old boy received a subtenon injection of triamcinolone acetonate after a pars plana vitrectomy due to an intraocular foreign body. seven days later, conjunctival necrosis and scleritis appeared at the site of injection. no improvement was seen after se...

Necrosis refers to a spectrum of morphologic changes that follow cell death in living tissue, largely resulting from the progressive degradative action enzymes on lethally injured (cells placed immediately fixative are dead but not necrotic).