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...

background and objectives: bone marrow necrosis (bmn) is a rare and ominous complication of wide variety of diseases including hematologic malignancy. this study was performed to identify frequency and the underlying associated diseases of marrow necrosis. materials and methods: in this descriptive study, totally 850 bone marrow trephine biopsies related to living patients at the pathology depa...

 Abstract Background: The varieties of treatment methods for the scaphoid non:::union::: have always been a discussable issue for orthopaedic surgeons. The current study, considered to be review for treatment results of the patients who sustained the scaphoid non:::union::: with or without avascular necrosis and compared these two groups clinically and radiologically. Methods: The clinical and ...

background and aims: plants as medicines have always played a vital role in human life. tumor necrosis factor alpha (tnf)-α is one of the macrophage-derived inflammatory cytokine with pleotropic effects in the inflammation process. some studies have been demonstrated that some of the echinops species have anti-inflammatory activity. in fact, echinops lasilepis is introduced as one of the native...

conclusions the results indicated that there was a positive association between susceptibility to chronic hbv infection and tnf-α polymorphism. in addition, hbv patients carrying -308 gg, -857 cc, and -863 aa genotypes with lower serum levels of tnf-α had an increased risk of infection. background the host genetic background regulates the natural history of chronic hepatitis b virus (hbv) infec...

purpose : to investigate and compare the causes of blindness in ocular behçet’s disease (bd) in men and women methods : in a retrospective, descriptive investigation from 1976 to 2008, 6,021 bd cases were registered in our bd unit of shariati hospital of tehran university of medical sciences (tums). at the last visit, 187 patients (124 men and 63 women) were blind (vision=1/10 or less) at least...