Proton Relaxation Enhancement Associated with Iodinated Contrast
... With the increasing interest in conventional radiologic and computed imaging methods and their relationship to one another in patient evaluation, the possible adverse effect of one examination upon the other sometimes comes into question. This is particularly true in regard to the need for timely pa ...
... With the increasing interest in conventional radiologic and computed imaging methods and their relationship to one another in patient evaluation, the possible adverse effect of one examination upon the other sometimes comes into question. This is particularly true in regard to the need for timely pa ...
A Cone-Beam Volume CT Using a 3D Angiography System with a
... of some types of microcatheters, now enable us to perform superselective arterial infusion to head and neck structures.1-4 Because conventional digital subtraction angiography (DSA) provides only 2D projections of the vascular anatomy, however, the identification of the tumor feeding artery is occas ...
... of some types of microcatheters, now enable us to perform superselective arterial infusion to head and neck structures.1-4 Because conventional digital subtraction angiography (DSA) provides only 2D projections of the vascular anatomy, however, the identification of the tumor feeding artery is occas ...
DoseWatch Ver. 1.3, 1.4: Direction # DOC1203862
... Future Evolution - GE understands that the DICOM Standard will evolve to meet the user's growing requirements. GE is actively involved in the development of the DICOM Standard. DICOM will incorporate new features and technologies and GE may follow the evolution of the Standard. The GEHC protocol is ...
... Future Evolution - GE understands that the DICOM Standard will evolve to meet the user's growing requirements. GE is actively involved in the development of the DICOM Standard. DICOM will incorporate new features and technologies and GE may follow the evolution of the Standard. The GEHC protocol is ...
DICOM Conformance Template
... Future Evolution - GE understands that the DICOM Standard will evolve to meet the user's growing requirements. GE is actively involved in the development of the DICOM Standard. DICOM will incorporate new features and technologies and GE may follow the evolution of the Standard. The GEHC protocol is ...
... Future Evolution - GE understands that the DICOM Standard will evolve to meet the user's growing requirements. GE is actively involved in the development of the DICOM Standard. DICOM will incorporate new features and technologies and GE may follow the evolution of the Standard. The GEHC protocol is ...
Acceptance Testing and Quality Control of Photostimulable
... causes local electrons to be elevated from an equilibrium (ground state) energy level to a stable “trap” known as an “F-center.” This is the unobservable “electronic” latent image, whereby the number of electrons trapped is proportional to the number of x-ray photons incident on the IP. The exposed ...
... causes local electrons to be elevated from an equilibrium (ground state) energy level to a stable “trap” known as an “F-center.” This is the unobservable “electronic” latent image, whereby the number of electrons trapped is proportional to the number of x-ray photons incident on the IP. The exposed ...
Lung Image Database Consortium: Developing a Resource for the
... turn, may result in more errors of omission (8 –11). Consequently, CAD techniques may become a practical necessity in the interpretation of CT scans; for example, CAD may be used in the evaluation of lung nodules. The development of CAD for use in the evaluation of lung nodules on CT images has acce ...
... turn, may result in more errors of omission (8 –11). Consequently, CAD techniques may become a practical necessity in the interpretation of CT scans; for example, CAD may be used in the evaluation of lung nodules. The development of CAD for use in the evaluation of lung nodules on CT images has acce ...
The Proposed Northwestern Collaboration with NA-MIC
... – GE has not innovated the PACS workstation in several years – GE Advantage Windows, other specialty workstations, and PACS workstation pathways not converging (fast enough?) – GE is investing in other areas (EMR, etc.) – Market driven engineering does not work • Vendors (including GE) focus on sale ...
... – GE has not innovated the PACS workstation in several years – GE Advantage Windows, other specialty workstations, and PACS workstation pathways not converging (fast enough?) – GE is investing in other areas (EMR, etc.) – Market driven engineering does not work • Vendors (including GE) focus on sale ...
Imaging of the anterior abdominal wall: A radiological
... localising signs. The extent of underlying tissue involvement is frequently underestimated at physical examination and is often far more extensive than visualised cutaneous abnormality at surgery or imaging. While Ultrasound can be used as an initial imaging modality, CT and MRI are far more superio ...
... localising signs. The extent of underlying tissue involvement is frequently underestimated at physical examination and is often far more extensive than visualised cutaneous abnormality at surgery or imaging. While Ultrasound can be used as an initial imaging modality, CT and MRI are far more superio ...
U n i v
... Figure 4: MRI image obtained in the same way Fig 3, but zoomed in. This image clearly shows loss of margin details (white arrows), if compared to Fig 3. The general loss of detail (blurring) is clearly seen in the kidney. In this image, the kidney appears more homogenous and the cortico-medulary jun ...
... Figure 4: MRI image obtained in the same way Fig 3, but zoomed in. This image clearly shows loss of margin details (white arrows), if compared to Fig 3. The general loss of detail (blurring) is clearly seen in the kidney. In this image, the kidney appears more homogenous and the cortico-medulary jun ...
X-ray-based attenuation correction for positron emission
... lesion detection is significantly degraded in the image reconstructed without compensation for photon attenuation (Fig 1c) in comparison with the image reconstructed with attenuation correction (Fig 1b). It is difficult to mathematically predict the specific appearance of PET images reconstructed wi ...
... lesion detection is significantly degraded in the image reconstructed without compensation for photon attenuation (Fig 1c) in comparison with the image reconstructed with attenuation correction (Fig 1b). It is difficult to mathematically predict the specific appearance of PET images reconstructed wi ...
LOGIQ E9 Shear Wave Elastography
... Liver fibrosis can result from various types of chronic damage to the liver including infections, toxins, autoimmune disorders as well as cholestatic and metabolic diseases. Cirrhosis, the end stage of fibrosis, affects millions of people worldwide. Liver fibrosis is currently staged using needle bi ...
... Liver fibrosis can result from various types of chronic damage to the liver including infections, toxins, autoimmune disorders as well as cholestatic and metabolic diseases. Cirrhosis, the end stage of fibrosis, affects millions of people worldwide. Liver fibrosis is currently staged using needle bi ...
Bilateral submandibular gland aplasia with clinico
... a few reported cases that specifically describe herniation of the proper sublingual glands through mylohyoid defects.19,20 Functional MRI (preferably in the coronal plane) using the modified Valsalva manoeuvre can cause herniation of sublingual tissues, including normal or enlarged sublingual glands ...
... a few reported cases that specifically describe herniation of the proper sublingual glands through mylohyoid defects.19,20 Functional MRI (preferably in the coronal plane) using the modified Valsalva manoeuvre can cause herniation of sublingual tissues, including normal or enlarged sublingual glands ...
The Diagnostic Radiology Report - Faculty of Medicine
... should review Section 2. Residents should review appropriate parts in SECTION 3 before each radiology rotation and referred to throughout the rotation. ...
... should review Section 2. Residents should review appropriate parts in SECTION 3 before each radiology rotation and referred to throughout the rotation. ...
diagnostic radiology resident manual
... should review Section 2. Residents should review appropriate parts in SECTION 3 before each radiology rotation and referred to throughout the rotation. ...
... should review Section 2. Residents should review appropriate parts in SECTION 3 before each radiology rotation and referred to throughout the rotation. ...
Diagnostic X-Ray QA/QC
... dido Series, was the first PTB* approved diagnostic meter of its kind. 1988 QUART dido/time | QUART RöVi Some time after its launch, the RöVi/time was further developed to become the first sandwich/double dosimeter to measure dose before and after patient equivalent filtration – all in one exposure ...
... dido Series, was the first PTB* approved diagnostic meter of its kind. 1988 QUART dido/time | QUART RöVi Some time after its launch, the RöVi/time was further developed to become the first sandwich/double dosimeter to measure dose before and after patient equivalent filtration – all in one exposure ...
Role of Imaging in the Management of Trauma Victims
... modality in hemodynamically stable patients who underwent mild or low-energy trauma. The emergency physician must be aware of the indications, drawbacks, and limitations of sonography and CT in the evaluation of trauma patients, to achieve a rational use of both modalities, according to the availabl ...
... modality in hemodynamically stable patients who underwent mild or low-energy trauma. The emergency physician must be aware of the indications, drawbacks, and limitations of sonography and CT in the evaluation of trauma patients, to achieve a rational use of both modalities, according to the availabl ...
Recommendations for Chamber Quantification: A Report from the
... Similarly, it is also important to cross-check quantitative data using the eyeball method, to avoid overemphasis on process-related measurements, which at times may depend on structures seen in a single still frame. It is important to account for the integration over time of moving structures seen i ...
... Similarly, it is also important to cross-check quantitative data using the eyeball method, to avoid overemphasis on process-related measurements, which at times may depend on structures seen in a single still frame. It is important to account for the integration over time of moving structures seen i ...
Magnetic resonance imaging of cholesteatoma: an update
... surgery. Based on this investigation, no second look surgery was performed. Clinical micro-otoscopical follow-up 26 months after the primary surgery showed no suspicious signs of residual or recurrent disease. a: Axial HRCT image at the level of the lateral semicircular canal on the right side. The ...
... surgery. Based on this investigation, no second look surgery was performed. Clinical micro-otoscopical follow-up 26 months after the primary surgery showed no suspicious signs of residual or recurrent disease. a: Axial HRCT image at the level of the lateral semicircular canal on the right side. The ...
Reducing Radiation Dose to the Female Breast During
... reduced breast dose by 85%, 81%, 18%, and 6%, respectively, while the shielded protocol increased breast dose by 68%. Results for the small-diameter/high-contrast signal followed similar trends, but with smaller magnitude of the percent changes in dose. The 80 kV protocols demonstrated the greatest ...
... reduced breast dose by 85%, 81%, 18%, and 6%, respectively, while the shielded protocol increased breast dose by 68%. Results for the small-diameter/high-contrast signal followed similar trends, but with smaller magnitude of the percent changes in dose. The 80 kV protocols demonstrated the greatest ...
QUANTITATIVE ASSESSMENT OF THE SYNOVIAL MEMBRANE IN
... smaller. Given the slice thickness of 2.5-3 mm used in this study and in general [4, 7-9, 16, 21, 26, 27], it must be expected that partial volume artefacts (volume averaging effects) are of relatively greater importance than in knees. In the near future, thinner slices (0.5-1.0 mm), obtained by thr ...
... smaller. Given the slice thickness of 2.5-3 mm used in this study and in general [4, 7-9, 16, 21, 26, 27], it must be expected that partial volume artefacts (volume averaging effects) are of relatively greater importance than in knees. In the near future, thinner slices (0.5-1.0 mm), obtained by thr ...
The Bioimpedance Technique in Respiratory
... parameters, such as standardized uptake values (SUV) in oncologic imaging [89, 105]. As SUV parameters, for example, can be used in cancer staging and treatment response evaluation [105, 138, 156], the misinterpretation of images or quantitative parameters may, at worst, lead to misguided diagnosis, ...
... parameters, such as standardized uptake values (SUV) in oncologic imaging [89, 105]. As SUV parameters, for example, can be used in cancer staging and treatment response evaluation [105, 138, 156], the misinterpretation of images or quantitative parameters may, at worst, lead to misguided diagnosis, ...
Reversible Rapid Neck Swelling Following Carotid Artery Stenting
... contrast material.7 Parotitis following carotid stenting also has been reported.8 However, this condition usually involves the salivary glands bilaterally unlike in this case. Patient did not have any swelling during prior procedures that involved use of iodinated contrast materials. In summary, a p ...
... contrast material.7 Parotitis following carotid stenting also has been reported.8 However, this condition usually involves the salivary glands bilaterally unlike in this case. Patient did not have any swelling during prior procedures that involved use of iodinated contrast materials. In summary, a p ...
Accreditation Program Requirements
... Initial performance testing of newly installed imaging equipment should be performed, and should be completed before clinical use. This includes purchases of new scanners and/or transducers, as well as replacement equipment obtained under warranty or service contract. Acceptance testing should be do ...
... Initial performance testing of newly installed imaging equipment should be performed, and should be completed before clinical use. This includes purchases of new scanners and/or transducers, as well as replacement equipment obtained under warranty or service contract. Acceptance testing should be do ...
PET evaluation of fatty tumors in the extremity: Possibility of using
... be done because dedifferentiation occurs in well-differentiated type that has recurred,4 although simple excision is applied for the well-differentiated type, as it is for lipoma.3 The computed tomography (CT) and magnetic resonance (MR) images of fatty masses are characteristically sufficient to su ...
... be done because dedifferentiation occurs in well-differentiated type that has recurred,4 although simple excision is applied for the well-differentiated type, as it is for lipoma.3 The computed tomography (CT) and magnetic resonance (MR) images of fatty masses are characteristically sufficient to su ...
Conference of Radiation Control Program Directors (CRCPD) Suggested State Regulations, Part F.11 (PDF)
... "Heat unit" means a unit of energy equal to the product of the peak kilovoltage, milliamperes, and seconds, i.e., kVp x mA x second. "HVL" (See "Half-value layer"). "Image intensifier" means a device, installed in its housing, which instantaneously converts an x-ray pattern into a corresponding ligh ...
... "Heat unit" means a unit of energy equal to the product of the peak kilovoltage, milliamperes, and seconds, i.e., kVp x mA x second. "HVL" (See "Half-value layer"). "Image intensifier" means a device, installed in its housing, which instantaneously converts an x-ray pattern into a corresponding ligh ...