نتایج جستجو برای: cancer of head and neck

تعداد نتایج: 24176013  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده علوم طبیعی 1391

in recent years many researchers have been focused on interaction of small molecules with dna. dna is generally the primary intracellular of anticancer drugs, so the interaction between small molecules and dna can cause dna damage in cancer cells, blocking the division of cancer cells and resulting in cell death. the flavonoids are a large group of polyphenolic natural products that are widely ...

Hossein Safizadeh Marzieh Karimi Afshar Mohammad Hasan Larizadeh Molouk Torabi, Nader Modares Ahmadi

BACKGROUND: Head and neck cancer is one of the six most prevalent neoplasms worldwide. Regardless of tumor site, deterioration of basic functions affecting head and neck areas are perceived and affect patients' lives. The aim of this study was to evaluate quality of life (Short Form) and oral health related quality of life (OHIP-14) in patients with head and neck cancer. METHODS: This study was...

Background: Head and neck cancer is the sixth most common cancer in the world, with 690,000 new cases identified in 2012. There are some arguments over an increase or a decrease in the incidence rate of head and neck cancers in different locations. This study is conducted aimed at determining the frequency of head and neck cancers in patients referring to Rafsanjan Ali-ibn Abi Talib hospital pa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم تربیتی و روانشناسی 1391

the purpose of this study was to examine the status of supervision on departments’ heads at ferdowsi university of mashhad (fum) and realize some applied themes to provide a fit model for supervising departments’ heads in fum. the method was case study under a research category aimed for applied one. using purposive sampling, interviews were conducted with top fum managers, head departments, an...

Introduction: Head and neck cancer is one of the most important cancers with low survival. This study was designed to evaluate the one-year survival of patients with head and neck cancer and related demographic factors. Methods: The present study was a cross-sectional study that reviewed the records of the patients with head and neck cancer (193 patients) in 2007-2013. In this study, Kaplan-Me...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
hassan mirmohammad sadeghi , dept. of oral & maxillofacial surgery, dental school, shahid beheshti university of medical sciences, tehran, iran alireza pournabi dept. of oral and maxillofacial surgery, dental school, shahid beheshti university of medical sciences, tehran, iran. mahshid namdari dept. of community of oral health, dental school, shahid beheshti university of medical sciences, tehran, iran

objectives: presence/absence of cervical lymph node metastasis plays a critical role in prognosis and survival of patients with oral squamous cell carcinoma (scc). this study was designed to assess the diagnostic accuracy of computed tomography (ct) scan for detection of cervical lymph node metastasis in oral scc in comparison with histopathological analysis after neck dissection methods: in th...

Fatemeh Shahraki Jalal Ordoni Vida Sargazi Zohre Bidari

Introduction: Computed tomography (CT) consists of 11% of all imaging methods, but accounts for approximately 67% of radiation exposure due to diagnostic cases. More than one-third of all CT scans are done in the head and neck area. The thyroid gland is irradiated during CT head and neck. According to studies, this gland has the highest levels of radiation-induced cancer, and i...

باقری, غلامرضا, سخایی, محمود, وهابی‌مقدم, مسعود,

 Determination of eye absorbed dose during head & neck radiotherapy is essential to estimate the risk of cataract. Dose measurements were made in 20 head & neck cancer patients undergoing 60Co radiotherapy using LiF(MCP) thermoluminescent dosimeters. Head & neck cancer radiotherapy was delivered by fields using SAD & SSD techniques. For each patient, 3 TLD chips were placed on each eye. Head & ...

Journal: :medical journal of islamic republic of iran 0
a mosalaei from the radiatiol1 oncology department, shiraz university of medical sciences, shiraz, i.r. iran . n ahmadloo s omidvari m mohammadianpanah

the optimal fractionation schedule for radiotherapy of head and neck cancer has been controversial. the objective of this randomized trial was to test the efficacy of hyperfractionation vs. standard fractionation. patients with squamous cell carcinoma of head and neck organs were randomly assigned to receive radiotherapy delivered with a) standard fractionation at 2 gy/fraction/day, 5 days/week...

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