ATLASSOM
... to the differential diagnosis of these diseases. Drs. Atlas and Som will also review pertinent normal anatomy, physiology, pathophysiology, and imaging concepts. The emphasis will be on a clinically oriented imaging approach that helps refine differential diagnosis. This is a unique experience for r ...
... to the differential diagnosis of these diseases. Drs. Atlas and Som will also review pertinent normal anatomy, physiology, pathophysiology, and imaging concepts. The emphasis will be on a clinically oriented imaging approach that helps refine differential diagnosis. This is a unique experience for r ...
MR guidance in radiotherapy
... Tumours can be surrounded by oedema due to peritumoral inflammation or due to restricted venous and lymph drainage (Becker et al 2008b). This effect is apparent in head and neck tumours, where the area with high signal on T2 is, for the most part, largely overestimating the gross tumour volume (Cald ...
... Tumours can be surrounded by oedema due to peritumoral inflammation or due to restricted venous and lymph drainage (Becker et al 2008b). This effect is apparent in head and neck tumours, where the area with high signal on T2 is, for the most part, largely overestimating the gross tumour volume (Cald ...
The Influence of X-Ray Spectra Filtration on Image Quality
... eliminate the low energy photons in the x-ray spectrum. Although this method can effectively decrease patient dose, it also increases the noise in the reconstructed images in some cases. Therefore optimization of filter thickness to decrease patient dose, while keeping the noise to acceptable levels ...
... eliminate the low energy photons in the x-ray spectrum. Although this method can effectively decrease patient dose, it also increases the noise in the reconstructed images in some cases. Therefore optimization of filter thickness to decrease patient dose, while keeping the noise to acceptable levels ...
Clinical PET Imaging – An Asian Perspective
... carcinoma my lead to prolonged survival and cure.16 FDGPET is now the most widely used and clinically accepted means of early detection of colorectal cancer recurrence. It is especially useful in the abdomen when the post-surgical and post-irradiated abdomen can be difficult for CT evaluation.17 Whe ...
... carcinoma my lead to prolonged survival and cure.16 FDGPET is now the most widely used and clinically accepted means of early detection of colorectal cancer recurrence. It is especially useful in the abdomen when the post-surgical and post-irradiated abdomen can be difficult for CT evaluation.17 Whe ...
THE ROLE OF THE CLINICAL MEDICAL PHYSICIST IN
... Although the list in the previous section presents most of the major, identifiable activities usually performed by a clinical medical physicist in diagnostic imaging, the list is by no means exhaustive. The nature and relative importance of the different activities depend on the relationships betwee ...
... Although the list in the previous section presents most of the major, identifiable activities usually performed by a clinical medical physicist in diagnostic imaging, the list is by no means exhaustive. The nature and relative importance of the different activities depend on the relationships betwee ...
contrast microsoft
... What determines how many shades of gray there are on an image are a plethora of factors. Those factors are categorized by how they effect the image. There are controlling factors such as kVp which is the primary controlling factor of contrast. Kilovoltage Peak, other wise known as kVp, will affect s ...
... What determines how many shades of gray there are on an image are a plethora of factors. Those factors are categorized by how they effect the image. There are controlling factors such as kVp which is the primary controlling factor of contrast. Kilovoltage Peak, other wise known as kVp, will affect s ...
Image Reconstruction for Prostate Specific Nuclear Medicine Imagers
... (LBNL; Berkeley, California, USA) [11, 14]. The tomograph consists of two curved banks of Siemens/CTI ECAT HR+ PET block detector modules in a clamshell arrangement, forming an incomplete elliptical ring with a 45 cm minor axis and a 70 cm major axis. Each bank contains 2 rows of 20 modules, for a t ...
... (LBNL; Berkeley, California, USA) [11, 14]. The tomograph consists of two curved banks of Siemens/CTI ECAT HR+ PET block detector modules in a clamshell arrangement, forming an incomplete elliptical ring with a 45 cm minor axis and a 70 cm major axis. Each bank contains 2 rows of 20 modules, for a t ...
Full Text - Nepal Journal of Neuroscience
... what is nowdays called computed tomography (CT), yet another invaluable tool for medical diagnosis where x-ray attenuation by different tissues is used to create cross-sectional images of human body. Hounsfield’s invention of CT parallels Roentgen’s discovery of x-rays as the two most outstanding co ...
... what is nowdays called computed tomography (CT), yet another invaluable tool for medical diagnosis where x-ray attenuation by different tissues is used to create cross-sectional images of human body. Hounsfield’s invention of CT parallels Roentgen’s discovery of x-rays as the two most outstanding co ...
Proceedings 6e Lustrum - Netherlands Commission on Radiation
... some errors are caused by mechanical events. Mechanical HDR events can be related to control units, computers, source cables, catheters, and applicators. Human errors relate to incorrect medical indication, patient identification, diagnosis or definition of the target volume, source strength, prescr ...
... some errors are caused by mechanical events. Mechanical HDR events can be related to control units, computers, source cables, catheters, and applicators. Human errors relate to incorrect medical indication, patient identification, diagnosis or definition of the target volume, source strength, prescr ...
GRAPPA-based susceptibility-weighted imaging
... reduced vessel contrast at lower field strengths [13]. Our prior work in normal volunteers at 7 T found that a twofold acceleration with a GRAPPA-based technique could be achieved without compromising vessel contrast and provided images with improved contrast over SENSE-based reconstruction methods ...
... reduced vessel contrast at lower field strengths [13]. Our prior work in normal volunteers at 7 T found that a twofold acceleration with a GRAPPA-based technique could be achieved without compromising vessel contrast and provided images with improved contrast over SENSE-based reconstruction methods ...
SOMATOM Scope
... reconstructed only once. The innovative technology is ideal for costeffective scanners: it significantly enhances spatial resolution while lowering image noise by up to 25%, enabling further dose reductions across a wide range of clinical applications. This is of particular benefit to children and p ...
... reconstructed only once. The innovative technology is ideal for costeffective scanners: it significantly enhances spatial resolution while lowering image noise by up to 25%, enabling further dose reductions across a wide range of clinical applications. This is of particular benefit to children and p ...
Comparison of Radiopharmaceuticals Used in Myocardial Imaging
... circumflex artery (LCX) supplies the Iefi atrium and the posterior and lateral walls of the left ventricle. The right coronary artery (RCA) supplies the inferior wall of the lefi ventricle, the free wall of the right ventricle, and the right atrium. Variations in the branching pattern of the coronar ...
... circumflex artery (LCX) supplies the Iefi atrium and the posterior and lateral walls of the left ventricle. The right coronary artery (RCA) supplies the inferior wall of the lefi ventricle, the free wall of the right ventricle, and the right atrium. Variations in the branching pattern of the coronar ...
AXIOM Innovations
... attendees eager to learn about the latest technologies and advances in their clinical field. I was very pleased to see how many visitors were interested in our products and solutions. For the first time, we showcased how “The Future is Flexible” with the Artis zeego, our multiaxis C-arm system based ...
... attendees eager to learn about the latest technologies and advances in their clinical field. I was very pleased to see how many visitors were interested in our products and solutions. For the first time, we showcased how “The Future is Flexible” with the Artis zeego, our multiaxis C-arm system based ...
Digital Radiography: An Overview
... As such, radiographic film provides a medium for recording, displaying, and storing diagnostic information.3 Film-based images are described as analog images. Analog images are characterized by continuous shades of gray from one area to the next between the extremes of black and white. Each shade of ...
... As such, radiographic film provides a medium for recording, displaying, and storing diagnostic information.3 Film-based images are described as analog images. Analog images are characterized by continuous shades of gray from one area to the next between the extremes of black and white. Each shade of ...
Review of SPECT Myocardial Perfusion Imaging
... imaging agents. In fact, Tc99m-sestamibi is used for breast-specific gamma imaging. Any breast uptake should be correlated with mammography. Uptake in the axillary nodes is often from radiopharmaceutical extravasation at the injection site, but can be seen with metastatic disease and may warrant fur ...
... imaging agents. In fact, Tc99m-sestamibi is used for breast-specific gamma imaging. Any breast uptake should be correlated with mammography. Uptake in the axillary nodes is often from radiopharmaceutical extravasation at the injection site, but can be seen with metastatic disease and may warrant fur ...
Radiation protection for X-Ray systems _ed2
... required for the walls of an X-ray room among others. This article summarizes the basic tasks of the Technical Unit for Radiation Protection of the University of Barcelona (UTPR-UB), which are carried out at various X-ray facilities, with examples of X-ray applications in research that show the scop ...
... required for the walls of an X-ray room among others. This article summarizes the basic tasks of the Technical Unit for Radiation Protection of the University of Barcelona (UTPR-UB), which are carried out at various X-ray facilities, with examples of X-ray applications in research that show the scop ...
Correlation of clinical and MRI staging in cervical carcinoma treated
... he most important prognostic factors for cervical cancer are tumor stage and size. Although not included in the International Federation of Gynecology and Obstetrics (FIGO) staging, the presence and extent of nodal involvement is an another important prognostic factor (1–3). The efficacy of magnetic ...
... he most important prognostic factors for cervical cancer are tumor stage and size. Although not included in the International Federation of Gynecology and Obstetrics (FIGO) staging, the presence and extent of nodal involvement is an another important prognostic factor (1–3). The efficacy of magnetic ...
Package Insert - Zevacor Molecular
... use alternative infant nutrition sources (e.g. stored breast milk or infant formula) for 2 hours (>10 halflives of radioactive decay for N 13 isotope) after administration of the drug or avoid use of the drug, taking into account the importance of the drug to the mother. 8.4 Pediatric Us e The safet ...
... use alternative infant nutrition sources (e.g. stored breast milk or infant formula) for 2 hours (>10 halflives of radioactive decay for N 13 isotope) after administration of the drug or avoid use of the drug, taking into account the importance of the drug to the mother. 8.4 Pediatric Us e The safet ...
High Resolution T2-Weighted Dixon Based Whole
... tomography-computed tomography (PET-CT). Methods: Sixteen patients were enrolled in the study. Twelve patients with malignant disease (4 patients with breast cancer, 4 patients with thyroid medullary carcinoma, 2 patients with multiple myeloma, 1 patient with monoclonal gammopathy, and 1 patient wit ...
... tomography-computed tomography (PET-CT). Methods: Sixteen patients were enrolled in the study. Twelve patients with malignant disease (4 patients with breast cancer, 4 patients with thyroid medullary carcinoma, 2 patients with multiple myeloma, 1 patient with monoclonal gammopathy, and 1 patient wit ...
image guided radiation therapy applications for
... questions regarding the 3D ultrasound system, and entertained my proposals for changing software and hardware: Geralyn Ochab; Ulrich Scheipers; Janet Hendry; Martin Lachaine; Sergei Koptenko; and Tony Falco. A special thank you goes to Philippe Fortier who always made the trek to the Montreal Genera ...
... questions regarding the 3D ultrasound system, and entertained my proposals for changing software and hardware: Geralyn Ochab; Ulrich Scheipers; Janet Hendry; Martin Lachaine; Sergei Koptenko; and Tony Falco. A special thank you goes to Philippe Fortier who always made the trek to the Montreal Genera ...
GE Healthcare Discovery* CT750 HD Great care by design
... Valentin Sinitsyn, M.D., Ph.D. Moscow Federal Center of Medicine ...
... Valentin Sinitsyn, M.D., Ph.D. Moscow Federal Center of Medicine ...
Orbit 4-Channel Coil - NORAS MRI products GmbH
... structures. With repeated MR imaging the success of an intervention or of a treatment can be monitored directly. Additional application areas for the NORAS Orbit 4-Channel Coil are: • Diagnosis of structural changes of the eyes and of the orbital cavities • Estimation of the physical dimensions o ...
... structures. With repeated MR imaging the success of an intervention or of a treatment can be monitored directly. Additional application areas for the NORAS Orbit 4-Channel Coil are: • Diagnosis of structural changes of the eyes and of the orbital cavities • Estimation of the physical dimensions o ...
Perfusion characteristics of late radiation injury of parotid glands
... demonstrate loss of acinar cells, dilatation of intercalated ducts, fibrosis and atrophy of parotid lobules [4, 5]. The functional impairment and morphological damage of the parotid glands can persist as long as 24 months after the irradiation [3]. Furthermore, the severity of acinar loss has been p ...
... demonstrate loss of acinar cells, dilatation of intercalated ducts, fibrosis and atrophy of parotid lobules [4, 5]. The functional impairment and morphological damage of the parotid glands can persist as long as 24 months after the irradiation [3]. Furthermore, the severity of acinar loss has been p ...
Digital ImagingChapter_025
... the teeth and surrounding structures To confirm or classify suspected disease To provide information during dental procedures To evaluate growth and development To illustrate changes secondary to caries, periodontal disease, or trauma To document the condition of a patient at a specific point in tim ...
... the teeth and surrounding structures To confirm or classify suspected disease To provide information during dental procedures To evaluate growth and development To illustrate changes secondary to caries, periodontal disease, or trauma To document the condition of a patient at a specific point in tim ...