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3 results on '"B.E. Van Beers"'

1. Can we justify not doing liver perfusion imaging in 2013?

Author

Ralph Sinkus, Maxime Ronot, Matthieu Lagadec, B.E. Van Beers, Simon A. Lambert, Valérie Vilgrain, Sabrina Doblas, Philippe Garteiser, Anne Kerbaol, Jean-Luc Daire, Centre de recherche biomédicale Bichat-Beaujon (CRB3), Université Paris Diderot - Paris 7 (UPD7)-Institut National de la Santé et de la Recherche Médicale (INSERM), RMN et optique : De la mesure au biomarqueur, Centre de Recherche en Acquisition et Traitement de l'Image pour la Santé (CREATIS), Université Jean Monnet [Saint-Étienne] (UJM)-Hospices Civils de Lyon (HCL)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Jean Monnet [Saint-Étienne] (UJM)-Hospices Civils de Lyon (HCL)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Hospices Civils de Lyon (HCL)-Université Jean Monnet [Saint-Étienne] (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Hospices Civils de Lyon (HCL)-Université Jean Monnet [Saint-Étienne] (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
medicine.medical_specialty, Perfusion Imaging, Perfusion scanning, Chronic liver disease, 030218 nuclear medicine & medical imaging, 03 medical and health sciences, 0302 clinical medicine, Internal medicine, medicine, [INFO.INFO-IM]Computer Science [cs]/Medical Imaging, Humans, Radiology, Nuclear Medicine and imaging, ComputingMilieux_MISCELLANEOUS, Radiological and Ultrasound Technology, medicine.diagnostic_test, business.industry, Liver Diseases, Ultrasound, Magnetic resonance imaging, Biomarker, General Medicine, Hepatology, medicine.disease, Magnetic Resonance Imaging, 3. Good health, Perfusion, Contrast medium, Liver, 030220 oncology & carcinogenesis, Radiology, Tomography, business, Tomography, X-Ray Computed, MRI, CT
Abstract

Liver perfusion imaging is a quantitative functional investigation. Liver perfusion imaging is complicated because of the liver's dual vascular supply, artefacts due to respiratory movements and the fenestrated sinusoidal capillaries which allow the contrast medium to diffuse out. Liver perfusion can be examined by ultrasound, CT or MRI: each technique has its limitations and specific features. The major indications in hepatology are oncology (detection, characterization and tumor response) and non-invasive investigation of patients with chronic liver disease. Work is needed to standardize acquisition and modeling methods to allow wider use of results and more widespread use of the technique.

Published
2013
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2. Ferumoxides-enhanced quantitative magnetic resonance imaging of the normal and abnormal bone marrow: Preliminary assessment

Author

B.E. Van Beers, B. Vande Berg, J.P. Kanku, Jacques Jamart, Jacques Malghem, Baudouin Maldague, and Frédéric Lecouvet

Subjects
medicine.medical_specialty, T2 shortening, business.industry, Quantitative magnetic resonance imaging, medicine.disease, Precontrast, Normal bone, medicine.anatomical_structure, medicine, Neoplasm, Radiology, Nuclear Medicine and imaging, Radiology, Bone marrow, business, Abnormal bone marrow, Nuclear medicine, Vertebral bone marrow
Abstract

The purpose of our study was to assess the effects of intravenous administration of ferumoxides on normal and abnormal vertebral bone marrow T1 and T2 relaxation times. Changes in bulk T1 and T2 relaxation times induced by intravenous administration of ferumoxides were determined in the normal vertebral marrow of two healthy subjects and four patients. In the four patients, changes in bulk T1 and T2 values induced by furomoxides injection were also determined in 12 vertebral metastases. Relative to precontrast relaxation time values, bulk T1 and T2 values of normal bone marrow had declined by a mean of 24% and 19%, respectively, in the two subjects and the four patients 45 minutes after ferumoxides administration. Relative to precontrast values, bulk T1 and T2 values of abnormal bone marrow had decreased by a mean of 16% and 2%, respectively. Decreases in bulk T1 and T2 values in normal bone marrow and in bulk T1 values in metastases were statistically significant (P

Published
1999
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3. Quantification of hepatic fat: Which reference should be the reference?

Author

Valérie Vilgrain, B.E. Van Beers, and Maxime Ronot

Subjects
Echo-planar imaging, Pathology, medicine.medical_specialty, Radiological and Ultrasound Technology, medicine.diagnostic_test, business.industry, Fatty liver, Adipose tissue, Magnetic resonance imaging, General Medicine, Nuclear magnetic resonance spectroscopy, medicine.disease, Nuclear magnetic resonance, Reference values, medicine, Radiology, Nuclear Medicine and imaging, business
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