Listar Artículos SCOPUS por autor "Orellana, Nelson [Hospital de Carabineros de Chile]"
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Circulating prostate cells found in men with benign prostate disease are P504S negative: Clinical implications
Murray, Nigel P. [Chile. Universidad Mayor. Facultad de Medicina]; Reyes, Eduardo [Hospital de Carabineros de Chile]; Badinez, Leonardo V. [Chile. Fundación Oncológica Arturo López Pérez]; Orellana, Nelson [Hospital de Carabineros de Chile]; Fuentealba, Chyntia [Hospital de Carabineros de Chile]; Olivares, R. [Hospital de Carabineros de Chile]; Porcell, J. [Hospital de Carabineros de Chile] (Facultad de Ciencias, 2013)Introduction. Developments in immunological and quantitative real-time PCR-based analysis have enabled the detection, enumeration, and characterization of circulating tumor cells (CTCs). It is assumed that the detection ... -
Effect of androgen blockade on her-2 and matrix metalloproteinase-2 expression on bone marrow micrometastasis and stromal cells in men with prostate cancer
Murray, Nigel P. [Chile. Universidad Mayor. Facultad de Medicina]; Reyes, Eduardo [Hospital de Carabineros de Chile]; Badinez, Leonardo V. [Chile. Fundación Oncológica Arturo López Pérez]; Orellana, Nelson [Hospital de Carabineros de Chile]; Fuentealba, Chyntia [Hospital de Carabineros de Chile]; Olivares, R. [Hospital de Carabineros de Chile]; Porcell, J. [Hospital de Carabineros de Chile] (Facultad de Ciencias, 2013)INTRODUCTION: HER-2 has been associated with castrate resistant prostate cancer and matrix metalloproteinase-2 (MMP-2) in the dissemination and invasion of tumor cells as well as activating angiogenesis. We present an ... -
Elimination of primary circulating prostate cells after radical prostatectomy for prostate cancer decreases the risk of future biochemical failure
Murray, Nigel P. [Chile. Universidad Mayor. Facultad de Medicina]; Reyes, Eduardo [Hospital de Carabineros de Chile]; Orellana, Nelson [Hospital de Carabineros de Chile]; Fuentealba, Chyntia [Hospital de Carabineros de Chile]; Dueñas, Ricardo R. [Hospital de Carabineros de Chile] (Facultad de Ciencias, 2014)OBJECTIVES: Primary CPCs are those detected in the blood of prostate cancer patients before radical treatment; secondary CPCs are those detected afterwards. Although primary CPCs are frequently found, it has been suggested ... -
Positive HER-2 protein expression in circulating prostate cells and micro-metastasis, resistant to androgen blockage but not diethylstilbestrol
Murray, Nigel P. [Chile. Universidad Mayor. Facultad de Medicina]; Badinez, Leonardo V. [Chile. Fundación Oncológica Arturo López Pérez]; Dueñas, Ricardo R. [Hospital de Carabineros de Chile]; Orellana, Nelson [Hospital de Carabineros de Chile]; Tapia, Pablo [Hospital de Carabineros de Chile] (Facultad de Ciencias, 2011)Introduction : HER-2 expression in prostate cancer is associated with a worse prognosis and is suggested to play a role in androgen resistance. We present a study of HER-2 expression in circulating tumor cells and ... -
Primary circulating prostate cells are not detected in men with low grade small volume prostate cancer
Murray, Nigel P. [Chile. Universidad Mayor. Facultad de Medicina]; Reyes, Eduardo [Hospital de Carabineros de Chile]; Fuentealba, Chyntia [Hospital de Carabineros de Chile]; Orellana, Nelson [Hospital de Carabineros de Chile]; Jacob, Omar [Hospital de Carabineros de Chile] (Facultad de Ciencias, 2014)Objective. To determine if primary circulating prostate cells (CPCs) are found in all men with prostate cancer. Methods and Patients. A prospective study, to analyze all men with an elevated PSA between 4.0 and 10.0 ng/mL ... -
Prostate cancer screening in the fit chilean elderly: A head to head comparison of total serum PSA versus age adjusted PSA versus primary circulating prostate cells to detect prostate cancer at initial biopsy
Murray, Nigel P. [Chile. Universidad Mayor. Facultad de Medicina]; Reyes, Eduardo [Chile. Hospital DIPRECA]; Orellana, Nelson [Hospital de Carabineros de Chile]; Fuentealba, Chyntia [Hospital de Carabineros de Chile]; Jacob, Omar [Hospital de Carabineros de Chile] (Facultad de Ciencias, 2015)BACKGROUND: Prostate cancer is predominately a disease of older men, with a median age of diagnosis of 68 years and 71% of cancer deaths occurring in those over 75 years of age. While prostate cancer screening is not ... -
Rendimiento diagnóstico de la detección de células prostáticas malignas en la circulación sanguínea para la detección precoz de cáncer prostático: Una comparación con la biopsia prostática
Murray, Nigel P. [Chile. Universidad Mayor. Facultad de Medicina]; Reyes, Eduardo [Hospital de Carabineros de Chile]; Tapia, Pablo [Hospital de Carabineros de Chile]; Orellana, Nelson [Hospital de Carabineros de Chile]; Dueñas, Ricardo R. [Hospital de Carabineros de Chile]; Fuentealba, Chyntia [Hospital de Carabineros de Chile]; Badinez, Leonardo V. [Chile. Fundación Oncológica Arturo López Pérez] (Facultad de Ciencias, 2011)OBJECTIVES: Serum prostate specific antigen and digital rectal examination are the tests used as screening tests to detect prostate cancer. However, only approximately 30% of men with suspicion of cancer have it confirmed ...