Background: Ultrasound propagation velocity was measured experimentally in normal, fibroadenoma and ductal carcinoma breast tissues, in order to distinguish normal breast tissue from tumors. Materials and methods: In quantitative measurements of ultrasound velocity, 403 breast tissue images were selected, comprising 130 normal breast tissue, 130 fibroadenoma, and 143 ductal carcinoma tumors. Th...

phyllodes tumors are biphasic fibroepithelial neoplasms of the breast. while the surgical management of these relatively uncommon tumors has been addressed in the literature, few reports have commented on the surgical approach to tumors greater than ten centimetres in diameter – the giant phyllodes tumor. we report a case of giant breast tumors and discuss the techniques utilized for pre-operat...

background: animal suitable models are very useful tools in the studies of complicated diseases. in this way we can study the heterogeneity of human genome and also we can minimize the effect of environmental factors in the incidence of cancers. in this study the expression of vwf and pcna in tumors was determined by immunohistochemistry and also we measured three cancer markers and two blood f...

background: malignant neoplastic lesions of the breast are one of the main causes of cancer death among women. several factors can be influential in the treatment process of breast cancer patients. the expression status of estrogen and progesterone receptors in tumor cells is among the most important determinants affecting the treatment approach and prognosis of these patients. in this paper, w...

abstract introduction: cancer stem cells are a small subpopulation of cells within a tumor which are responsible for maintaining the tumor mass. a number of factors such as oct-4 that govern the fate of adult stem cells also play a role in malignant cell transformation. oct-4 is a key regulator of self-renewal in embryonic stem cells; its expression is potentially correlated with tumorigenesis ...

despite a lot of research, the etiology and progression of breast cancer remain incompletely understood. recently, human cytomegalovirus (hcmv) was reported as a risk factor for breast cancer. the aim of this study was to know whether breast cancer could be caused by cytomegalovirus or not? in this experiment seventeen samples of razi/a mice with spontaneous breast cancer were being gathered fr...

This study aimed to investigate the frequency of Varicella Zoster Virus (VZV) in benign and malignant breast tumors. A total of 24 carcinomas and 24 fibroadenomas paraffin embedded tumoral tissue samples were obtained from the pathology sections of Toos and Firoozgar hospitals in Tehran, Iran. All samples were collected from patients from June 2011 to February 2012. DNA was extracted from all s...

Despite a lot of research, the etiology and progression of breast cancer remain incompletely understood. Recently, human cytomegalovirus (HCMV) was reported as a risk factor for breast cancer. The aim of this study was to know whether breast cancer could be caused by cytomegalovirus or not? In this experiment seventeen samples of RAZI/A mice with spontaneous breast cancer were being gathered fr...