aim: aquaporin4 (aqp4) is the main water channel in the brain that has important role in water transport across blood- brain- barrier. it has been proved that intracranial pressure and also expression of aqp4 increase in some disorders such as hydrocephalus, hyponatremia, cytotoxic oedema and brain tumours and drugs that can decrease the expression of this aqp can offer some treatment for these...

Introduction: The interaction between steroid hormones and neurotransmitters such as GABA has been proved. The regulation of muscimol binding to high-affinity GABAA receptors by estradiol and progesterone has been studied within distinct brain regions using in vitro quantitative autoradiography. There are few studies about the mechanism of the effect of steroid hormones on behaviors such as ...

PURPOSE We evaluated the outcome and etiologies of small renal masses (less than 1 cm in size) discovered incidentally on 2 consecutive CTs that investigated nonurologic abdominal complaints. MATERIALS AND METHODS A retrospective search for incidentally discovered small renal masses, less then 1 cm in size, was carried out in the files of 6 major US medical centers. 4822 such lesions had been...

Sarcomatoid squamous cell carcinomas are extremely rare, high grade, aggressive variant of penile cancers. Sarcomatoid carcinoma are biphasic neoplasms with a combination of both sarcomatoid components and carcinomatous elements. These neoplasms are very rare in the urogenital system. We report a 53-year-old male presented with an ulcerated lesion on the glans penis. The rarity of this case rei...

introduction: breast neoplasia is the most common cancer among women in both developed and developing countries. over 1.15 million women in the world detecting with breast neoplasia each year and the mortality rate is 502,000 cases from this cancer. the purpose of this study was to describe how iranian women perform breast self-examination. materials and methods: in this cross-sectional study 4...