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- A Variational Approach to MR Bias Correction
- Magnetic resonance MR imaging has opened up new avenues of diagnosis and treatment that were not previously available. There are a number of artifacts which can arise in the MR imaging process and make subsequent analysis more challenging. Probably the most drastic visual effect is the intensity in homogeneity caused...
- White papers 2003-01-01
- Uncinate Fasciculus Findings in Schizophrenia: A Magnetic Resonance Diffusion Tensor Imaging Study
- Disruptions in connectivity between the frontal and temporal lobes may explain some of the symptoms observed in schizophrenia. Conventional magnetic resonance imaging MRI studies, however, have not shown compelling evidence for white matter abnormalities, because white matter fiber tracts cannot be visualized by conventional MRI. Diffusion tensor imaging is a...
- White papers 2002-05-01
- Feasibility of MR Imaging-Guided Breast Lumpectomy for Malignant Tumors in a 0.5-T Open-Configuration MR Imaging System
- This paper describes about the development in the technology for and evaluates the utility of a 0.5-T vertical open-configuration magnetic resonance MR imaging system for imaging-guided breast lumpectomy of malignant tumors. All breast lesions were identified despite limited spatial resolution and fat-suppression techniques. The evolved techniques facilitated intraoperative margin evaluation...
- White papers 2002-07-24
- Design and Implementation of Surgical Instruments, Devices, and Receiver Coils for Intraoperative MRI-Guided Neurosurgical and Neuro Ablative Procedures
- Magnetic resonance imaging MRI is the optimal imaging modality for neurosurgical applications due to its ability to elucidate central nervous system anatomy and pathology. Stereotactic systems employing MRI have enhanced the surgeon's ability to safely and efficaciously operate. A next step in the evolution of neurosurgery is to update the...
- White papers 2001-02-28
- In-Utero Three-Dimensional Magnetic Resonance Imaging of Fetal Brains
- This paper provides details by assessing ten prenatal magnetic resonance imaging MRI scans for fetal brain anomalies, and identified eight that were suitable for post-processing. Anatomical abnormalities were assessed on the three-dimensional (3D) models and compared with two-dimensional (2D) imaging findings. It calculated the volume of the intracranial ventricles and...
- White papers 2001-04-14
- Today's High Tech With "Life Technology"
- An investment in a new imaging device always an investment in the future. Those who have been operating the high-end MAGNETOM Symphony magnetic resonance imaging system still want to benefit from state-of-the-art developments, obtain a return on investment, and at the same time offer patients the highest standard of care...
- White papers 2005-10-01
- Diffusion-Weighted: Magnetic Resonance Imaging
- The Jikei University Hospital Tokyo, Japan, is conducting clinical research of diffusion-weighted MRI and its potential in terms of imaging the abdomen, pelvis, and organs other than the brain. On another continent, NYU Medical Center New York is also using this method to obtain information about liver metastases. This paper...
- White papers 2005-10-01
- Molecular Magnetic Resonance Imaging
- Molecular MRI mMRI is a special implementation of molecular imaging for the noninvasive visualization of biological processes at the cellular and molecular level. More specifically, mMRI comprises the contrast agent-mediated alteration of tissue relaxation times for the detection and localization of molecular disease markers (such as cell surface receptors, enzymes,...
- White papers 2005-09-01
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