MR Pulse Sequences - Diagnostic Radiology
... that are most commonly used to diagram pulse sequences (1–3) as well as the echoes detected, including the Hahn echo (with use of a spin-echo [SE] pulse sequence) and the gradient echo (GRE) (10). It is important to recognize these symbols, because they are invariably used to represent TR and TE. TR ...
... that are most commonly used to diagram pulse sequences (1–3) as well as the echoes detected, including the Hahn echo (with use of a spin-echo [SE] pulse sequence) and the gradient echo (GRE) (10). It is important to recognize these symbols, because they are invariably used to represent TR and TE. TR ...
Diffusion Tensor Magnetic Resonance Imaging and Fiber
... Purpose: It is still largely unknown how neural tube defects in spina bifida affect the nerves at the level of the sacral plexus. Visualizing the sacral plexus in 3 dimensions could improve our anatomical understanding of neurological problems in patients with spina bifida. We investigated anatomica ...
... Purpose: It is still largely unknown how neural tube defects in spina bifida affect the nerves at the level of the sacral plexus. Visualizing the sacral plexus in 3 dimensions could improve our anatomical understanding of neurological problems in patients with spina bifida. We investigated anatomica ...
Independent Health Facilities Clinical Practice Parameters and
... designed to assist physicians in their clinical decision-making by providing a framework for assessing and treating clinical conditions commonly cared for by a variety of specialties. The primary purpose of this document is to assist physicians in developing their own quality management program and ...
... designed to assist physicians in their clinical decision-making by providing a framework for assessing and treating clinical conditions commonly cared for by a variety of specialties. The primary purpose of this document is to assist physicians in developing their own quality management program and ...
A literature review of electronic portal imaging for
... either before or during treatment. Devices such as point detectors, film and gel have been widely reported. More detailed information about the various systems used for verification of IMRT can be found elsewhere, e.g. [6,7]. Like EPIDs, various matrix detectors have been produced for measuring ener ...
... either before or during treatment. Devices such as point detectors, film and gel have been widely reported. More detailed information about the various systems used for verification of IMRT can be found elsewhere, e.g. [6,7]. Like EPIDs, various matrix detectors have been produced for measuring ener ...
CBD Catalog - CBD College
... to apply for re-admission into the DMS program into the following cohort. If it is determined through consultation with the clinical instructor that performance is unsatisfactory and the student can verify that there were extenuating circumstances to their inability to be successful within the allot ...
... to apply for re-admission into the DMS program into the following cohort. If it is determined through consultation with the clinical instructor that performance is unsatisfactory and the student can verify that there were extenuating circumstances to their inability to be successful within the allot ...
Dual Energy CT Attenuation Correction Methods for Quantitative
... Biases in the CTAC image propagate to errors in the PET image in the same general location (25). Three methods have been considered for converting a CT image to attenuation coefficients at 511 keV: segmentation, scaling, and dual-energy X-ray scans. Segmentation: Methods can be used to separate the ...
... Biases in the CTAC image propagate to errors in the PET image in the same general location (25). Three methods have been considered for converting a CT image to attenuation coefficients at 511 keV: segmentation, scaling, and dual-energy X-ray scans. Segmentation: Methods can be used to separate the ...
Principles and Practice of PET/CT
... PET-CT and PET/MR. Molecular imaging Molecular imaging can be broadly defined as the in vivo characterisation and measurement of biological processes at the cellular and molecular level. Molecular imaging differs from traditional imaging in that probes (known as biomarkers) are used to help image pa ...
... PET-CT and PET/MR. Molecular imaging Molecular imaging can be broadly defined as the in vivo characterisation and measurement of biological processes at the cellular and molecular level. Molecular imaging differs from traditional imaging in that probes (known as biomarkers) are used to help image pa ...
Principles and Practice of PET/CT
... that it will contribute to the quality of their daily work. I also hope that this book will benefit those with no or limited PET-CT experience, helping them to start to develop their understanding of the field. I look forward to the next two books in 2011 and 2012. ...
... that it will contribute to the quality of their daily work. I also hope that this book will benefit those with no or limited PET-CT experience, helping them to start to develop their understanding of the field. I look forward to the next two books in 2011 and 2012. ...
Classification schema for anatomic variations
... C 2010 Wiley-Liss, Inc. schema can facilitate effective use of this powerful tool, aiding in overall care of the breast reconstruction patient. V Microsurgery 00:000–000, 2010. ...
... C 2010 Wiley-Liss, Inc. schema can facilitate effective use of this powerful tool, aiding in overall care of the breast reconstruction patient. V Microsurgery 00:000–000, 2010. ...
PDF - IAEA Publications
... FOREWORD Radiotherapy is a key treatment modality for cancer patients. In recent years, there have been major developments in external beam radiotherapy, which has developed from simple two dimensional techniques to three dimensional image based conformal radiotherapy, intensity modulated radiother ...
... FOREWORD Radiotherapy is a key treatment modality for cancer patients. In recent years, there have been major developments in external beam radiotherapy, which has developed from simple two dimensional techniques to three dimensional image based conformal radiotherapy, intensity modulated radiother ...
Funding the Future The Kay
... Pam Goldblatt, BS, RT(R)(M) joined the Crawford Long Hospital Breast with Emory for 4 years in the Breast Imaging Center and has 22 years Center in 2003 with 10 years of experience. experience as a technologist. Ann West, RT(R)(M) has a total of 36 years as a registered technologist. She Susan W. Ho ...
... Pam Goldblatt, BS, RT(R)(M) joined the Crawford Long Hospital Breast with Emory for 4 years in the Breast Imaging Center and has 22 years Center in 2003 with 10 years of experience. experience as a technologist. Ann West, RT(R)(M) has a total of 36 years as a registered technologist. She Susan W. Ho ...
Breast Imaging - Lieberman`s eRadiology
... Our patient : staging thoracic CT with contrast Breast mass ...
... Our patient : staging thoracic CT with contrast Breast mass ...
THREE- DIMENSIONAL IMAGING IN RADIOLOGY
... At MGH, we are able to manage this high volume of clinical 3-D image processing as a direct result of the successful implementation of a PACS system with a high-speed image network (1000 base T or gigabit). When the 3-D Imaging Service was established in February 1999, the MGH radiology department w ...
... At MGH, we are able to manage this high volume of clinical 3-D image processing as a direct result of the successful implementation of a PACS system with a high-speed image network (1000 base T or gigabit). When the 3-D Imaging Service was established in February 1999, the MGH radiology department w ...
Cone-beam computed tomography with a flat
... Note that only the cylinder rotated during FPI-CBCT acquisition, and the PMMA slabs 共supported on a platform above the rotation stage兲 were stationary and did not impinge on the volume of reconstruction. Thus reconstructed images show only the water-filled cylinder and not the surrounding PMMA. The ...
... Note that only the cylinder rotated during FPI-CBCT acquisition, and the PMMA slabs 共supported on a platform above the rotation stage兲 were stationary and did not impinge on the volume of reconstruction. Thus reconstructed images show only the water-filled cylinder and not the surrounding PMMA. The ...
Chapter 15: Special Procedures and Techniques in
... 15.2 STEREOTACTIC IRRADIATION 15.2.1 Physical and clinical requirements for radiosurgery ...
... 15.2 STEREOTACTIC IRRADIATION 15.2.1 Physical and clinical requirements for radiosurgery ...
Complete Intracranial Arterial and Venous Blood Flow Evaluation
... hase-contrast MR imaging enables the acquisition of multidirectional blood velocity data. With time-resolved, 3D phase-contrast MR imaging (4D Flow), electrocardiographic gating is used to create cine volumetric data. The technique has been most extensively used for the evaluation of patterns of blo ...
... hase-contrast MR imaging enables the acquisition of multidirectional blood velocity data. With time-resolved, 3D phase-contrast MR imaging (4D Flow), electrocardiographic gating is used to create cine volumetric data. The technique has been most extensively used for the evaluation of patterns of blo ...
Equilibrium-Phase High Spatial Resolution Contrast
... in the preoperative workup of patients undergoing DIEP flap procedures is still scarce. Several studies have been performed using state-of-the-art 3T hardware, instead of the more widely available 1.5T magnetic resonance angiography (MRI) systems [5,6,8,15,16], and most of these studies have employe ...
... in the preoperative workup of patients undergoing DIEP flap procedures is still scarce. Several studies have been performed using state-of-the-art 3T hardware, instead of the more widely available 1.5T magnetic resonance angiography (MRI) systems [5,6,8,15,16], and most of these studies have employe ...
No Slide Title
... • “Clinical decisions associated with positron emission tomography in a prospective cohort of patients with suspected or known cancer at one United States center.” Hillner, et al. J Clin Oncol 2004; 22;4147-56. ...
... • “Clinical decisions associated with positron emission tomography in a prospective cohort of patients with suspected or known cancer at one United States center.” Hillner, et al. J Clin Oncol 2004; 22;4147-56. ...
128-slice Dual Source CT: How Does it Work and
... a. Retrospectively gated spiral (Figure 3a) Retrospectively gated spiral scanning is the most commonly used technique in cardiac CT. The x-ray beam is continuously on and the patient is translated through the gantry at a very slow speed (pitch ~ 0.2-0.3, depending on heart rate). The images are reco ...
... a. Retrospectively gated spiral (Figure 3a) Retrospectively gated spiral scanning is the most commonly used technique in cardiac CT. The x-ray beam is continuously on and the patient is translated through the gantry at a very slow speed (pitch ~ 0.2-0.3, depending on heart rate). The images are reco ...
Sialolithiasis: Radiological Diagnosis and
... Plain Film and CT • 80-95% of Submandibular calculi are radiopaque; only 60% of parotid calculi are radiopaque • CT scans are 10 times more sensitive than plain film in detecting stones. CT also detects other pathology such as abscess and tumor • CT has become the workhorse for imaging sialolithiasi ...
... Plain Film and CT • 80-95% of Submandibular calculi are radiopaque; only 60% of parotid calculi are radiopaque • CT scans are 10 times more sensitive than plain film in detecting stones. CT also detects other pathology such as abscess and tumor • CT has become the workhorse for imaging sialolithiasi ...
Perception Metrics in Medical Imaging
... performance have been found between different observers. Usually physicians’ performance is not perfect and their errors can affect patient care and treatment. In order to figure out why these errors occur and what steps can be taken to reduce them, understanding the capabilities of the human visual ...
... performance have been found between different observers. Usually physicians’ performance is not perfect and their errors can affect patient care and treatment. In order to figure out why these errors occur and what steps can be taken to reduce them, understanding the capabilities of the human visual ...
University Hospital Geneva uses PET/MR in
... Dr. Ratib uses PET/MR for patients who would typically have both a PET/CT and an MRI as part of their clinical workup. “In patients with head and neck cancers, for instance, anatomical exams for pre-op, postop and post-treatment are very complex, so PET/CT alone is usually not enough, and most patie ...
... Dr. Ratib uses PET/MR for patients who would typically have both a PET/CT and an MRI as part of their clinical workup. “In patients with head and neck cancers, for instance, anatomical exams for pre-op, postop and post-treatment are very complex, so PET/CT alone is usually not enough, and most patie ...
Welcome to the 27th European Congress of Radiology
... officially launched a call for a European action plan for medical imaging, to improve quality of care and patient safety, targeting harmonisation in regard to quality and safety, education and training, as well as research and technology. This will significantly improve European healthcare systems a ...
... officially launched a call for a European action plan for medical imaging, to improve quality of care and patient safety, targeting harmonisation in regard to quality and safety, education and training, as well as research and technology. This will significantly improve European healthcare systems a ...
Spoiling of transverse magnetization in gradient
... however, it differs significantly at some positions, which results in intensity banding artifacts in conventional magnitude reconstructed images (18-20). Using RF spoiling with the proper RF pulse phase-difference increment (e.g., 117O),the steady-state transverse magnetization closely approximates ...
... however, it differs significantly at some positions, which results in intensity banding artifacts in conventional magnitude reconstructed images (18-20). Using RF spoiling with the proper RF pulse phase-difference increment (e.g., 117O),the steady-state transverse magnetization closely approximates ...
Prime Factors
... Tube voltage (kVp) • Determines the maximum energy in the beam • spectrum and affects the quality of the output spectrum • Efficiency of x-ray production is directly related to tube voltage ...
... Tube voltage (kVp) • Determines the maximum energy in the beam • spectrum and affects the quality of the output spectrum • Efficiency of x-ray production is directly related to tube voltage ...