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10 Resources for

harvard college and magnetic resonance imaging

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A Limited Range of Measures of 2-D Ultrasound Correlate With 3-D MRI Cerebral Volumes in the Premature Infant at Term: Two-dimensional (2-D) cranial ultrasound US is the principal method for the detection of cerebral injury in the newborn. The aim of this paper was to compare 2-D sonographic methods with more advanced 3-D magnetic resonance imaging MRI for assessing brain structure. From July 1998 to November 2000, they conducted a...; Tags: 3D, Harvard College, 2D, Magnetic Resonance Imaging; White papers 2004-02-05
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...; Tags: Harvard College, Imaging, Coil, Magnetic Resonance Imaging, Document Management, Enterprise Software, Software, Finance, Managerial Accounting; White papers 2003-01-01
Quantitative Analysis of MRI Signal Abnormalities of Brain White Matter With High Reproducibility and Accuracy: The purpose of this paper is to assess the reproducibility and accuracy compared to radiologists of three automated segmentation pipelines for quantitative magnetic resonance imaging MRI measurement of brain white matter signal abnormalities WMSA. The addition of TDS to the EM segmentation and PVEC algorithms significantly improved the accuracy of...; Tags: Segmentation, Harvard College, Magnetic Resonance Imaging, Quantitative Analysis, Accuracy; White papers 2002-01-23
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...; Tags: Harvard College, Magnetic Resonance Imaging, Imaging, Fiber, Diffusion Tensor Imaging, Document Management, Network Technology, Enterprise Software, Software, Finance, Managerial Accounting, Networking; White papers 2002-05-01
Double Cervix and Vagina With Septate Uterus: An Uncommon Mullerian Malformation: A 20-year-old nulligravid female was found to have a septate uterus with double cervix and a vagina with partial longitudinal vaginal septum. The anomaly presented symptomatically, was suggested by clinical examination, and confirmed by Magnetic Resonance Imaging MRI and intra-operative visualization. Visualization of the anomaly was enhanced by MR-based three...; Tags: Harvard College, Magnetic Resonance Imaging, Visualization, Anomaly; Case studies

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...; Tags: Harvard College, Magnetic Resonance Imaging, Imaging, Document Management, Scanners, Enterprise Software, Software, Finance, Managerial Accounting, Hardware, Peripherals; 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...; Tags: 3D, Harvard College, Magnetic Resonance Imaging, Imaging, Document Management, Enterprise Software, Software, Finance, Managerial Accounting; White papers 2001-04-14
A Functional Magnetic Resonance Imaging Study of Auditory Mismatch in Schizophrenia: Previous researches have noted functional and structural temporal lobe abnormalities in schizophrenia that relate to symptoms such as auditory hallucinations and thought disorder. The goal of this paper was to determine whether the functional abnormalities are present in schizophrenia at early stages of auditory processing. This result is consistent with...; Tags: President, Harvard College, Magnetic Resonance Imaging; White papers 2001-06-01
Magnetic Resonance Imaging Based Three-Dimensional Modeling of a Complex Vulvar Tumor as a Component of Presurgical Planning: This paper is on the pre-surgical evaluation of an aggressive vulvar angiomyxoma using MR based three-dimensional (3D) modeling. A graphics computer was used to outline the tumor and other soft tissue structures on axial T2-weighted MR images of the pelvic floor. Specialized software was then applied to the edited images...; Tags: 3D, Harvard College, Magnetic Resonance Imaging; White papers 2003-04-17
Interventional and Intraoperative Magnetic Resonance Imaging: The goal of the Image Guided Therapy Program, as the name implies, is to develop the use of imaging to guide minimally invasive therapy. The program combines interventional and intraoperative magnetic resonance imaging MRI with high-performance computing and novel therapeutic devices. In clinical practice the multidisciplinary program provides for the...; Tags: Harvard College, Magnetic Resonance Imaging; White papers 2000-08-01