نتایج جستجو برای: tumor depth
تعداد نتایج: 585515 فیلتر نتایج به سال:
for any educational program to be successful, many factors work hand in hand. based on pervious efl studies, teachers and learners are the keys to gain achievement. granted the fact that explicit and implicit practice plays a key role in education, knowledge of it can help teachers facilitate students’ vocabulary learning. this study investigated to determine the contribution of explicit and i...
Objective(s): CD44 is a member of the cell adhesion molecules family. Naturally, CD44S, along with CD44V3 influence the cell motility, migration, and adhesion, while in tumor cells they lead to tumor invasion, progression, and metastasis. The purpose of this research is to evaluate the CD44S and CD44V3 expression in Esophageal Squamous Cell Carcinoma (ESCC) and to reveal their correlations wit...
Treatment of radio-sensitized tumor is one of the promising modalities in radiotherapy. Since the different parameters and physical conditions vary in the treatments, the use of simulation models is easier, less costly and faster than practical methods for forecasting the solutions designed to optimize treatment. Therefore in this study, Monte Carlo simulations are applied to investigate the do...
wc studied the correlation between preoperative cervical cytology, postoperative clinicopathologic findings, and sites of metastasis from so surgically staged patients with endometrial carcinoma tliirty-faur patients (68%), liad normal cervical cytology, ami 16(32%) had malignant preoperative cervical cytology. malignant cervical smears were statistically correlated with surgical stage (p = 0.0...
Endoscopic resection has been accepted as both minimally invasive and curative treatment modality for early gastric cancer (EGC). The widely accepted indication of endoscopic resection for EGC is small sized, differentiated mucosal cancer in which the risk of lymph node metastasis is negligible. Tumor size can be measured by conventional endoscopy, and chromoendoscopy, magnifying endoscopy, nar...
BACKGROUND Traditional approaches in oral squamous cell carcinoma (OSCC) management utilize biopsy tissue for diagnostic purposes only. Adverse prognostic features, such as the tumor depth, are usually determined from final resection specimens, but are seldom studied in biopsy tissue. METHODS A preliminary study of 139 consecutive biopsies compared biopsy size with T classification, tumor sit...
Objective(s): Low penetration depth of light is the main defect of photodynamic therapy (PDT), which could be improved by sonodynamic therapy (SDT). In this study, a combination of PDT and SDT known as sonophotodynamic therapy (SPDT) was investigated using two reverse arrangements in CT26 tumor model. Materials and Methods: The liposomal zinc phthalocyanine was synthesized and characterized. It...
background: to enhance the dose to tumor, the use of high atomic number elements has been proposed. objective: the aim of this study is to investigate the effect of gold nanoparticle distribution on dose enhancement in tumor when the tumor is irradiated by typical monoenergetic x-ray beams by considering homogeneous and inhomogeneous distributions of gold nanoparticles (gnps) in the tumor. meth...
background and objectives: involvement of lymph nodes is an important prognostic factor in the most cancers, including colorectal cancer. in the recent years, invasion to blood and lymphatic vessels has been shown to predict involvement of lymph nodes and the number of involved nodes has been less studied issue. the aim of this study was determination of the relationship between the size of col...
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