Nasrin Shayanfar
Dept. of Pathology, Iran University of Medical Science, Tehran, Iran
[ 1 ] - Prognostic Value of Lymph Node Ratio in comparison to Lymph Node Metastases in Stage III Colon Cancer
Background & Objectives: Colon cancer is currently of high incidence and mortality rate. Identifying the factors influencing its prognosis can be very beneficial to its clinical treatment. Recent studies have shown that lymph nodes ratio can be considered as an important prognostic factor. The aim of the present study is to investigate the effect of this factor on the prognosis of the ...
[ 2 ] - Evaluation of Extended Spectrum Betalactamase(ESBL) Positive Strains of Klebsiella pneumoniae And Escherichia coli in Bacterial Cultures
Background and Objective: To evaluate extended spectrum betalactamase (ESBL) positive strains of Klebsiella pneumonia and Escherichia coli in positive bacterial cultures. Materials and Methods: In this analytical cross-sectional study, between March 2006 and March 2007, 170 bacterial isolates including 133 cases of E. coli and 37cases of K. pneumonia were...
[ 3 ] - Immunohistochemical Assessment of Neuroendocrine Differentiation in Colorectal Carcinomas and Its Relation with Age, Sex, Grade Plus Stage
Background and Objective: Neuroendocrine differentiation has not been proved to have effects in behavior of colorectal carcinomas. The aim of this study was Immunohistochemical evaluation of neuroendocrine differentiation in colorectal cancer. Patients and Methods: In this cross-sectional study, 83 paraffin blocks from patients admitted in Rasoul-e-akram Hospital, Tehran, Iran, during 2003 to ...
[ 4 ] - Evaluation Of The Androgen Receptor Status In Invasive Ductal Carcinoma Of Breast
Background and Objective: Determination of hormone receptor status in the management of breast cancer is well-established. The aim of this study was to evaluate the frequency of androgen receptor (AR) expression in invasive ductal carcinoma of breast. Materials and Methods: For this purpose, 55 cases of invasive ductal breast carcinoma were examined using a monoclonal antibody against AR on...
[ 5 ] - Schwannoma In A Perigastric Lymph Node: A Rare Case Report
Schwannomas are benign nerve sheath tumors that originate from any anatomical site. Most of the schwannomas are found in the head, neck or limbs. Schwannoma arising in a lymph node is extremely rare. We have found only four cases in the review of the literature. We experienced a case of intranodal schwannoma in a perigastric lymph node. A 72 year-old female underwent cholecystectomy due to ...
[ 6 ] - بررسی ارتباط بین پاتوژنهای موجود در دست جراح و کمک جراح و محل عمل با ارگانیسمهای محل عفونت زخم جراحی در بیمارانی که در بیمارستان رسول اکرم و شهیداکبرآبادی تهران سزارین شده و با عفونت زخم بعد از عمل مراجعه کرده اند
Introduction: Some previous studies have shown that in the surgical site infection, sterility of the surgeon’s hands is not so effective, while the other studies have shown the other way. Also some studies believe that most infections come either from pathogens of the patient’s skin or from the pathogens of the environment. This study is designed to compare the pathogens of the surg...
[ 7 ] - بررسی میزان و الگوی بروز پروتئین Her2 در تریکواپیتلیوما در مقایسه با کارسینومای سلول بازال پوست به روش ایمونوهیستوشیمی
Background: Trichoepithelioma (TE) is a benign skin tumor with follicular differentiation, which sometimes is difficult to distinguish clinically and histologically from cutaneous basal cell carcinoma (BCC). An accurate diagnosis of these lesions is essential for effective and appropriate therapeutic decisions. Therefore, several attempts have been made to identify immunohistochemical differenc...
[ 8 ] - Evaluation of Phenotypic and Genotypic Characteristics of Carbapnemases-producing Enterobacteriaceae and Its Prevalence in a Referral Hospital in Tehran City
Background & Objective: Carbapenem-resistant Enterobacteriaceae is a growing concern worldwide including Iran. The emergen...
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