background: time of day can affect the outcome of medical procedures and surgical operations. the current study was designed to assess whether time of day can influence the quality of breast cancer surgery or not. methods: patients who underwent breast cancer surgery and axillary lymph node dissection in tehran, iran between march 2012 and march 2013 were enrolled. surgeries were categorized in...

Breast cancer is one of the most common malignancies among women and considered as the first caise of mortality in females suffering from malignant processes.axillary lymph node metastasis (ALNM)is the most important predictor of survival in patient with breast carcinoma.the purpose of this study was to determine the association between the incidence of ALNM and morphologic criteria by univaria...

Background: This study assessed the optimal timing of computed tomography for detection of metastatic disease in locoregional lymph nodes in patients with rectal cancer who have undergone chemoradiotherapy. Materials and Methods: This observational retrospective study was performed in a single institution. All patients with locally advanced rectal cancer treated with chemoradiotherapy, followed...

background : the axillary lymph node stage is one of the single most important determinants in the prognosis of breast cancer patients. the disadvantages of the two previous methods used for evaluating axillary node metastasis, i.e., axillary lymph node dissection and sentinel lymph node biopsy, have directed researchers to investigate new techniques for this purpose. the aim of the current stu...

introduction: htlv-1 , the first known human retrovirus belongs to oncovirus subfamily of retroviruses. the major characteristic of htlv-1 is its highly restricted geographic prevalence. northern part of khorasan is an endemic region of htlv-1 infection. epidemiological studies can help in designing preventive programs for htlv-1 infection. the aim of this study was the establishment of a pcr t...

background: this study detected osteopontin (opn) and matrix metalloproteinase-7 (mmp-7) expressions to explore the roles of opn and mmp-7 in the occurrence, progression, and prognosis of nonsmall cell lung cancer (nsclc). materials and methods: a retrospective study was conducted on nsclc tissues ( n = 152; case group) and adjacent nonneoplastic lung parenchyma (adjacent to tumor >5 cm; n = 15...

a 45-year-old female patient with a diagnosis of ulcerative colitis complicated with composite lymphoma in the spleen and para-aortic lymph node presented with a one-month history of malaise, weakness and fatigue. only mesalamine kept ulcerative colitis under control. in physical examination, splenomegaly was revealed and pancytopenia was obtained from laboratory data. computed tomography scan ...