نتایج جستجو برای: lymph node involvement
تعداد نتایج: 331426 فیلتر نتایج به سال:
background: in this study we evaluated the prognostic impact of metastatic lymph node ratio (mlr) in patients with gastric cancer undergoing curative surgical resection. methods: a total of 121 patients with gastric adenocarcinoma undergoing curative r0 surgical resection in our institutions between 2003 and 2010 were included in this study. mlr was classified into 3 groups as follows: mlr0; 0...
Background and Objective: One important step in the management of gastric cancer is determination of its prognosis. Cytokeratins are intermediate filaments that mainly exist in cytoskeletal component of epithelial cells. Recent researches have focused on the relationship between the expression of different cytokeratins with differentiation and outcomes of tumors. This study was done for determ...
Background and purpose: Regional lymph node involvement is one of the main prognostic factors for breast cancer. Intraoperative assessment of sentinel lymph node biopsy (SLNB) by frozen section (FS) allows necessary axillary lymph node dissection (ALND) at the same time. But, false negative results are the main problems of the FS. The aim of this study was to investigate the relationship betwee...
Background & Aims: Squamous cell carcinoma (SCC) accounts for 85% of laryngeal cancers. In some cases, lymph nodes do not show any specific symptoms despite being involved by cancer. Previous studies showed that patients undergoing selective neck lymph node dissection (SND) had significantly lower recurrence rates. We investigated the prevalence of occult neck lymph node involvement in patients...
background: the impact of positive intramammary lymph node (im ln) on the prognosis of patients with breast cancer has been debated for years; likewise, the standard management of patients with positive im ln remains unclear, especially when it is identified by preoperative imaging or by sentinel lymph node biopsy. the present study aims at reviewing the level of concurrent involvement of im ln...
background: this study intends to determine the diagnostic and prognostic roles of hypermethylation of serum rassf1a and protocadherin-10 promoters in females with breast cancer. methods: this study enrolled 80 breast cancer patients and 80 apparently normal healthy controls. the promoter methylation status of serum rassf1a and pcdh10 genes was investigated using methylation specific pcr. resul...
Objective(s): Lymph node metastases are the most significant prognostic factor in localized non-small cell lung cancer (NSCLC). Identification of the first nodal drainage site (sentinel node) may improve detection of metastatic nodes. Extended surgeries, such as lobectomy or pneumonectomy with lymph node dissection, are among the therapeutic options of higher acceptab...
Introduction: Breast cancer is the most common type of cancer and the leading cause of cancer death among women. According to estimates in 2018, the most frequency of cancer in Iranian women was related to breast cancer with 13776 (12.5%) new cases. Metastasis is a complication of this disease that occurs in 1%-5% of patients. The aim of this study was to investigate the effect of hormone recep...
background: sentinel lymph node biopsy has shown to be a good alternative procedure for axillary lymph node dissection and to lead to lower frequency of morbidity, though this technique has its own side effects. it needs especial equipment and may not be available in some medical centers, especially in developing countries. this study aimed to identify a subgroup of patient...
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