نتایج جستجو برای: ihc
تعداد نتایج: 5931 فیلتر نتایج به سال:
BACKGROUND & OBJECTIVES Studies have shown that immunohistochemical (IHC) staining using epidermal growth factor receptor (EGFR) mutation specific antibodies, is an easy and cost-effective, screening method compared with molecular techniques. The purpose of present study was to assess the percentage positivity of IHC using EGFR mutation specific antibodies in lung biopsy samples from patients w...
Epidermal growth factor receptor (EGFR) is a novel target for therapy in subsets of non-small cell lung cancer, especially adenocarcinoma. Tumors with EGFR mutations showed good response to EGFR tyrosine kinase inhibitors (TKIs). We aimed to identify the discriminating capacity of immunohistochemical (IHC) scoring to detect L858R and E746-A750 deletion mutation in lung adenocarcinoma patients a...
Purpose: ALK rearrangement detection using FISH is the standard test to identify patients with non-small cell lung carcinoma (NSCLC) eligible for treatment with ALK inhibitors. Recently, ALK protein expression in resectable NSCLC showed predictive value. We evaluated tumor response rate and survival after crizotinib treatment of patients with advanced NSCLC with ALK activation using both dichot...
سابقه و هدف: her-2/neu یکی از نشانگرهای پیش آگهی مولکولی عمده در سرطان پستان بوده و با توجه به دستورالعمل های تصمیم گیری درمان، تکثیر این ژن در روند درمان بیماران مبتلا به سرطان پستان بسیار مهم می باشد. رایج ترین روش استفاده شده برای تشخیص تکثیر ژن her-2/neu ایمونوهیستوشیمی (ihc) است. نتایج غیرقابل سنجش، عدم تکرارپذیری و زمان طولانی از اشکالات عمده این روش بوده که محققان را بر آن داشته تا در جه...
PURPOSE For the first time a large number (563) of non-small cell lung cancer (NSCLC) samples was used to compare three different technologies for the assessment of HER2 status. Fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC) were used for tumor tissue samples, and ELISA for serum samples. The results were compared with other tumor entities, mainly breast. EXPERIMENTA...
AIM OF THE STUDY To investigate the differences and relevance, and to evaluate the clinical significance of fluorescence in situ hybridisation and immunohistochemistry (IHC) in detecting HER2 in gastric cancer tissues. MATERIAL AND METHODS The expression of HER2 protein and the amplification of the HER2 gene in 118 gastric cancer tissues were detected by immunohistochemistry and fluorescence ...
In the current study, the sensitivity and specificity of methods of HER2 status detection were studied in 55 patients presenting with gastric/gastroesophageal junction carcinoma (30 intestinal and 25 diffuse), in small biopsy (endoscopy; n=33) and resection specimens (n=22). The primary objective of the present study was to compare various methods for the assessment of HER2 status, with regards...
Purpose: The fragmented delivery of health and social services for large groups of patients with chronic conditions was put on the research agenda in 2002 by WHO. The FP7-IHC-project (www.integratedhomecare.eu) aims to develop a turn-key-solution for better clinical continuity to European health regions. Method: The general framework of the project is the international concept of health technol...
AIMS To compare the results of breast cancer sections with HercepTesttrade mark immunohistochemistry (IHC) scores ranging from 0 to 3+ with fluorescence in situ hybridisation (FISH) for HER2 amplification. The HER2 digital scoring application of the Micrometastasis Detection System (MDS) was used, together with manual scoring of FISH and HercepTest, to determine whether this system provides an ...
Mutation specific immunohistochemistry (IHC) is a promising new technique to detect the presence of the BRAFV600E mutation in colorectal carcinoma (CRC). When performed in conjunction with mismatch repair (MMR) IHC, BRAFV600E IHC can help to further triage genetic testing for Lynch Syndrome. In a cohort of 1426 patients undergoing surgery from 2004 to 2009 we recently demonstrated that the comb...
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