نتایج جستجو برای: immunohistochemical ihc profile
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UNLABELLED Epithelioid sarcoma (ES) is a rare tumor, but extremely versatile, simulating easily both clinically and morphologically multiple benign lesions as granulomas and malignant tumors as achromic melanomas or carcinomas. Especially the histological aspects are suggesting for an epithelial tumor. The atypical biological behavior of tumor is conferred by: a propensity for lymph nodes metas...
The predictive value of lymph node micrometastasis, detected by immunohistochemical or genetic methods, is well appreciated in terms of prognosis. However, a major problem is high false-positive rates, because most methods focus on cytokeratin, which is a component not only of carcinoma but also normal epithelial and nonepithelial cells. Mutant allele-specific amplification (MASA) can detect DN...
Background. The group of plasma cell neoplasms includes benign and malignant diseases. Sometimes there are difficulties in making a diagnosis. study the diagnostic prognostic significance immunohistochemical (IHC) markers is current interest. Aim. To IHC histological features bone marrow primary diagnosis patients with multiple myeloma (MM) monoclonal gammopathy undetermined (MGUS). Materials m...
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...
BACKGROUND The HER2/neu proto-oncogene is frequently over-expressed in breast cancer and serves as a biological target for trastuzumab therapy. However, there is no consensus regarding the technical aspects to be used to define HER2/neu status in clinical practice. METHODS The present study was conducted to address this critical issue by prospectively analysing a large cohort of breast cancer...
Abstract Background To evaluate the predictive value of AR-V7 expression detected by immunohistochemical (IHC) in prognosis prostate cancer patients receiving adjuvant hormonal therapy (AHT) following radical prostatectomy (RP). Methods We retrospectively collected data 110 with RP, followed AHT, from Tongji hospital. IHC analysis was performed a retrospective cohort. Results In total, were enr...
It has long been established that the sheep Prnp genotype influences the susceptibility to scrapie, and some studies suggest that it can also determine several aspects of the disease phenotype. Other studies, however, indicate that the source of infection may also play a role in such phenotype. To address this question an experiment was set up in which either of two different natural scrapie so...
Localized Leishmania Lymphadenitis (L.L.L) is a self limited clinical presentation of cutaneous leishmaniasis. Microscopic findings in L.L.L are very similar to Toxoplasma lymphasenitis. In all cases, an intensive microscopic search should be done for Leishman bodies. In this study, we describe our micro...
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