introduction: different imaging modalities are used to evaluate salivary gland diseases, including tumors. ultrasonography (us) is the preferred method on account of its ease of use, affordability, safety profile, and good tolerance among patients. the aim of this study was to evaluate the role of us in differentiating malignant from benign parotid tumors, in the context of previous controversy...

the tp53 gene is one of the most frequently mutated genes amongst human malignancies, particularly tp53 codon 72 polymorphism. furthermore, an association between the tp53 codon 72 variants and prostate cancer has been reported in several studies. although some studies have indicated an association between the tp53 arg/arg variant and an increased risk for prostate cancer, other studies have sh...

dermatofibrosarcoma protruberans is a relatively uncommon slow growing, locally aggressive fibrous tumor of the skin. it has a prospensity of progressing to fibrosarcomatous change in 5% of the cases. we present a case of a 56 yr old male with presented to the outpatient department of surgery, sri siddhartha medical college, tumkur with a chest swelling in 2013. fnac was inconclusive and the ma...

introduction bladder diverticulum is a result of bladder mucosa and submucosa herniation through the muscularis propria of bladder wall. bladder diverticula are mostly seen in the elderly men in association with benign prostatic hyperplasia (bph). case presentation a 74-year-old man presented with complaints of vague epigastric discomfort, dyspepsia, and mild lower urinary tract symptoms. an ul...

perforin(p) is the primary mediator of short term cytotoxicity, it is accumulated in response to proinflammatory  cytokines and stored in t lymphocyte , nk cells and nkt cells are released upon activation. perforin is a prototypical cytotoxic molecule involved in cell mediated immunity against various pathogens , alloantigens and particularly different tumors.the purpose of this study was to de...

background: benign paroxysmal positional vertigo (bppv) is linked to vitamin d deficiency. this clinical trial aimed to determine the influence of vitamin d supplementation on intensity of bppv. methods: the study population was selected consecutively and the diagnosis of bppv was made by history and clinical examination and exclusion of other conditions. intensity of bpvv was assessed based on...

background and aims. head and neck tumors are the most common complaints of people referring to different medical sections, especially in children. the aim of this study was to evaluate the prevalence of these tumors in children less than 12 years of age to provide a better perspective for future studies. materials and methods. all the files in department of pathology at tabriz pediatric hospit...

background and importance: lumboperitoneal shunts are commonly used to treat several conditions, but their use can result in significant complications. we discuss a complication of these shunts that has not been reported in the literature to date. case presentation: an obese, 41-year-old woman admitted to rasool akram hospital complaining of a severe headache and blurred vision. the physical ex...