Nahid Nafissi

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BACKGROUND Breast cancer (BC) is the most common cancer among Iranian women. It is recommended that women be under national screening for early detection of cases to improve survival and decrease mortality. Because of shortage of facilities, breast self-examination (BSE) instead of clinical-based examination (CBE) and mammography is advocated as the first(More)
In the early morning of 26 December 2003, Bam, an old city in southeastern Iran, was devastated by an earthquake measuring 6.6 on the Richter scale. Managing such situations always brings about many problems. In the case of the Bam Earthquake, two of the most serious problems were rescue operations and provision of appropriate treatment within a short(More)
INTRODUCTION On 26 December 2003, a catastrophic earthquake measuring 6.6 on the Richter scale devastated large areas of the city of Bam in southeastern Iran. More than 40,000 people died, tens of thousands were injured, and almost 20,000 homes were destroyed. Many national and international search-and-rescue teams were dispatched to the area to provide(More)
BACKGROUND DNA double-strand breaks (DSBs) as a serious lesion are repaired by non-homologous end-joining and homologous recombination pathways. ATM, BRCA1, RAD51 genes are involved in HR pathways. While some studies have revealed individual expression changes of these genes in different types of cancer, there are limited studies attempting to evaluate(More)
BACKGROUND Breast conserving surgery (BCS) followed by local radiotherapy is the standard treatment for early stage of breast cancer. Margin status may have an important impact on local recurrence and overall survival of patients treated with BCS, but this has not been defined adequately. In this study, we investigated the relationship between microscopic(More)
BACKGROUND We conducted this study to estimate the prevalence of biomarkers, including estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2) among patients with breast cancer and to explore their effects on disease mortality. METHODS We conducted this registry-based retrospective cohort study in Tehran, in(More)
PURPOSE Quality assurance (QA) is one of the most important issues that should be addressed for intraoperative electron radiotherapy (IOERT), which is not benefiting from image-based treatment planning system. The aim of this study is to evaluate the dosimetric characteristics of Gafchromic EBT2 film for breast IOERT QA procedure. METHODS Due to the fact(More)
BACKGROUND In several Iranian provinces, there are large numbers of landmines that threaten the lives of many civilians. Ilam is one of the most polluted areas with 1,086 injuries from landmines between 1989 to 1999, with an overall mortality rate of 36.4%. A remarkable number of deaths occurred before the injured were conveyed to the hospital. In this(More)
BACKGROUND The Cox model is known as one of the most frequently-used methods for analyzing survival data. However, in some situations parametric methods may provide better estimates. In this study, a Weibull parametric model was employed to assess possible prognostic factors that may affect the survival of patients with breast cancer. MATERIALS AND(More)
1Surgery Department, Cancer Institute, Tehran University of Medical Science, Tehran, Iran 2Radiotherapy Oncology Department, Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran 3Khatam Cancer Center, Khatam-ol-Anbia hospital, Vali Asr Ave, Tehran, Iran 4 Department of Surgery, Shohada Tajrish Hospital, Tajrish, Qhods Sq., Tehran, Iran 5(More)