1452 K - Iranian Journal of Nuclear Medicine
... submitted solely to the "Iran J Nucl Med" and have not been published elsewhere previously either in print or electronic format, and are not under consideration by another publication or electronic medium. Submission of an article for publication implies the transfer of the copyright from the author ...
... submitted solely to the "Iran J Nucl Med" and have not been published elsewhere previously either in print or electronic format, and are not under consideration by another publication or electronic medium. Submission of an article for publication implies the transfer of the copyright from the author ...
A S C -A S
... Image-guided interventions using intraoperative three-dimensional (3D) imaging can be less cumbersome than systems dependent on preoperative images, especially by needing neither image-to-patient registration nor a lengthy process of segmenting and generating a 3D model. In this dissertation, a meth ...
... Image-guided interventions using intraoperative three-dimensional (3D) imaging can be less cumbersome than systems dependent on preoperative images, especially by needing neither image-to-patient registration nor a lengthy process of segmenting and generating a 3D model. In this dissertation, a meth ...
19. Optimization of protection in mammography - RPOP
... This protocol is intended to provide the basic techniques for the quality control (QC) of the physical and technical aspects of mammography. ...
... This protocol is intended to provide the basic techniques for the quality control (QC) of the physical and technical aspects of mammography. ...
RADIATION PROTECTION IN DIAGNOSTIC RADIOLOGY
... This protocol is intended to provide the basic techniques for the quality control (QC) of the physical and technical aspects of mammography. Many measurements are performed using an exposure of a test object or phantom. ...
... This protocol is intended to provide the basic techniques for the quality control (QC) of the physical and technical aspects of mammography. Many measurements are performed using an exposure of a test object or phantom. ...
Image reconstruction for PET/CT scanners: past achievements and
... PET is a medical imaging modality with proven clinical value for the detection, staging and monitoring of a wide variety of diseases. This technique requires the injection of a radiotracer, which is then monitored externally to generate PET data [1,2] . Through different algorithms, PET data can be ...
... PET is a medical imaging modality with proven clinical value for the detection, staging and monitoring of a wide variety of diseases. This technique requires the injection of a radiotracer, which is then monitored externally to generate PET data [1,2] . Through different algorithms, PET data can be ...
3D MPRAGE improves classification of cortical lesions
... reduced by inclusion of the anatomic detail provided by the higher resolution scan. In these preliminary studies, MPRAGE provided better characterization of cortical lesions. We have not investigated whether all the cortical lesions can be visualized on MPRAGE without the use of DIR and PSIR images. ...
... reduced by inclusion of the anatomic detail provided by the higher resolution scan. In these preliminary studies, MPRAGE provided better characterization of cortical lesions. We have not investigated whether all the cortical lesions can be visualized on MPRAGE without the use of DIR and PSIR images. ...
19 Imaging Features of Hepatic Metastases: CT and MR
... hand colorectal cancer is the prototype of malignant disease, in which the presence of limited metastatic disease does not preclude surgery. Exact knowledge of number, localization and size of metastases is crucial to determine resectability. Thus, the imaging technique used to evaluate the liver mu ...
... hand colorectal cancer is the prototype of malignant disease, in which the presence of limited metastatic disease does not preclude surgery. Exact knowledge of number, localization and size of metastases is crucial to determine resectability. Thus, the imaging technique used to evaluate the liver mu ...
- Surrey Research Insight Open Access
... Abstract—Detection of infarct lesions using traditional segmentation methods is always problematic due to intensity similarity between lesions and normal tissues, so that multi-spectral magnetic resonance imaging (MRI) modalities were often employed for this purpose. However, the high costs of MRI s ...
... Abstract—Detection of infarct lesions using traditional segmentation methods is always problematic due to intensity similarity between lesions and normal tissues, so that multi-spectral magnetic resonance imaging (MRI) modalities were often employed for this purpose. However, the high costs of MRI s ...
An experimental approach to Automatic Exposure Control testing
... An Experimental Approach to AEC Testing A New Zealand Qualified Health Physicist (QHP) is required, under the Radiation Protection Act of 1965 and the Radiation Protection Regulations 1982, to perform auditing compliance tests on x-ray equipment at regular intervals to ensure that this equipment con ...
... An Experimental Approach to AEC Testing A New Zealand Qualified Health Physicist (QHP) is required, under the Radiation Protection Act of 1965 and the Radiation Protection Regulations 1982, to perform auditing compliance tests on x-ray equipment at regular intervals to ensure that this equipment con ...
Perfusion Imaging Using Arterial Spin Labeling
... ference in blood and tissue water contents: Cv(t) = CT(t)/ with = blood–brain partition coefficient, which can be different for different tissues.3 While the Kety-Schmidt method is rarely used in patients today, their theory has been applied for the estimation of rCBF in numerous techniques, main ...
... ference in blood and tissue water contents: Cv(t) = CT(t)/ with = blood–brain partition coefficient, which can be different for different tissues.3 While the Kety-Schmidt method is rarely used in patients today, their theory has been applied for the estimation of rCBF in numerous techniques, main ...
clinical studies - Neurochirurgisch Centrum Amsterdam
... and pale. Two cases could not be verified because of conservative treatment. Roots at other levels did not clearly show preganglionic lesions. Depending on the clinical picture and the lesions found in other parts of the plexus, reconstructions were individually tailored (Table 2). ...
... and pale. Two cases could not be verified because of conservative treatment. Roots at other levels did not clearly show preganglionic lesions. Depending on the clinical picture and the lesions found in other parts of the plexus, reconstructions were individually tailored (Table 2). ...
Consensus Conference on Diagnostic Terminology 1 Question #1 2
... directly due to its location within a relatively hard tissue, dentin. It appears to be impossible to directly test dental pulp, therefore all information elicited must be interpreted indirectly from the patient response to a stimulus placed externally to the tissue. In general, pulp tests used ar ...
... directly due to its location within a relatively hard tissue, dentin. It appears to be impossible to directly test dental pulp, therefore all information elicited must be interpreted indirectly from the patient response to a stimulus placed externally to the tissue. In general, pulp tests used ar ...
Member Benefit Guide - American Roentgen Ray Society
... you with the essential information for practice quality improvement (PQI). Improve your daily practice and patient care with these PQI Templates: Neck CT Radiation Exposure Reduction Spine CT Radiation Exposure Reduction Gadolinium-Based MR Contrast Agents Abdominal CT ...
... you with the essential information for practice quality improvement (PQI). Improve your daily practice and patient care with these PQI Templates: Neck CT Radiation Exposure Reduction Spine CT Radiation Exposure Reduction Gadolinium-Based MR Contrast Agents Abdominal CT ...
GE_HD_750_ CT 数据手册
... VolumeShuttle?*: The GE Discovery CT750 HD Scanner carries forward the Volume Shuttle acquisition mode that delivers up to 80mm coverage for neuro perfusion studies including angiographic information while lowering the dose up to 24%relative to a Cine acquisition.://www.1mpi.com/doc/ed89e9d4fbc40991 ...
... VolumeShuttle?*: The GE Discovery CT750 HD Scanner carries forward the Volume Shuttle acquisition mode that delivers up to 80mm coverage for neuro perfusion studies including angiographic information while lowering the dose up to 24%relative to a Cine acquisition.://www.1mpi.com/doc/ed89e9d4fbc40991 ...
Characterization of the homogeneous tissue mixture approximation
... to physicians during discussions with patients about mammographic screening.24–28 In addition, the use of the homogeneous breast approximation might also not be appropriate for comparative studies of certain characteristics, e.g., in which the x-ray energy used by two modalities being compared diffe ...
... to physicians during discussions with patients about mammographic screening.24–28 In addition, the use of the homogeneous breast approximation might also not be appropriate for comparative studies of certain characteristics, e.g., in which the x-ray energy used by two modalities being compared diffe ...
Photoreceptor Perturbation Around Subretinal Drusenoid Deposits
... cholesterol, however, was undetectable, as was immunoreactivity for photoreceptor, Müller cell and RPE marker proteins.7,13 Subretinal drusenoid deposits were proposed as the correlate to pseudodrusen by these authors because the size, distribution and prevalence of the material seen in a series of ...
... cholesterol, however, was undetectable, as was immunoreactivity for photoreceptor, Müller cell and RPE marker proteins.7,13 Subretinal drusenoid deposits were proposed as the correlate to pseudodrusen by these authors because the size, distribution and prevalence of the material seen in a series of ...
RADIATION MEDICINE QA
... lines, which is not least thanks to our historic commitment to first-class production – not mass production! The fact that PTW systems are still being used, which were installed more than 30 years ago, testifies for the quality of our products. In contrast to common practice, we still maintain a hig ...
... lines, which is not least thanks to our historic commitment to first-class production – not mass production! The fact that PTW systems are still being used, which were installed more than 30 years ago, testifies for the quality of our products. In contrast to common practice, we still maintain a hig ...
Adult Bile Duct Strictures - Geisel School of Medicine
... secondary to MR imaging technique or postprocessing-related factors (7). Common causes of pseudostrictures include blooming artifact due to cholecystectomy clips and pulsation artifact from the hepatic artery (Figs 3, 4) (7,14,15). In addition, MR imaging technique–related factors such as incomplete ...
... secondary to MR imaging technique or postprocessing-related factors (7). Common causes of pseudostrictures include blooming artifact due to cholecystectomy clips and pulsation artifact from the hepatic artery (Figs 3, 4) (7,14,15). In addition, MR imaging technique–related factors such as incomplete ...
Quiescent?interval single?shot unenhanced magnetic resonance
... and suffers from flow artifacts within horizontally oriented vessel segments. Over the last few years, several ‘‘next-generation’’ unenhanced MRA techniques have been introduced. Of these, fresh blood imaging (FBI) has undergone the most clinical validation. FBI is a subtractive technique that uses ...
... and suffers from flow artifacts within horizontally oriented vessel segments. Over the last few years, several ‘‘next-generation’’ unenhanced MRA techniques have been introduced. Of these, fresh blood imaging (FBI) has undergone the most clinical validation. FBI is a subtractive technique that uses ...
Dynamic Contrast-Enhanced MRI of Prostate Cancer at 3 T: A Study
... transfer constant), kep (reverse reflux rate constant between extracellular space and plasma), ve (the fractional volume of extracellular space per unit volume of tissue), and the area under the gadolinium concentration curve (AUGC) in the first 90 seconds after injection. RESULTS. Pathologically co ...
... transfer constant), kep (reverse reflux rate constant between extracellular space and plasma), ve (the fractional volume of extracellular space per unit volume of tissue), and the area under the gadolinium concentration curve (AUGC) in the first 90 seconds after injection. RESULTS. Pathologically co ...
No Slide Title
... When is Teleradiology not appropriate? • If the available system does not provide images of sufficient quality to perform the indicated task. • When a system is used to produce the official interpretation, there should not be a clinically significant loss of spatial or contrast resolution from imag ...
... When is Teleradiology not appropriate? • If the available system does not provide images of sufficient quality to perform the indicated task. • When a system is used to produce the official interpretation, there should not be a clinically significant loss of spatial or contrast resolution from imag ...
Full Text - Diagnostic and Interventional Radiology
... As an indicator of maturation, myelination continues until adulthood, although it is most rapid during the first two years after birth. Therefore, magnetic resonance (MR) imaging is used as an objective method for the evaluation of developmental delays of the nervous system within this period. In co ...
... As an indicator of maturation, myelination continues until adulthood, although it is most rapid during the first two years after birth. Therefore, magnetic resonance (MR) imaging is used as an objective method for the evaluation of developmental delays of the nervous system within this period. In co ...
MR Glossary - Siemens Medical
... Image quality. Chemical compounds to improve contrast. For MR, normally paramagnetic contrast agents, such as Gadolinium DTPA or other Gadolinium compounds are used. In contrast to X-ray techniques, where contrast agent is directly visible, in MR, contrast agents have an indirect effect only; they r ...
... Image quality. Chemical compounds to improve contrast. For MR, normally paramagnetic contrast agents, such as Gadolinium DTPA or other Gadolinium compounds are used. In contrast to X-ray techniques, where contrast agent is directly visible, in MR, contrast agents have an indirect effect only; they r ...
CT imaging in small animals
... started in the veterinary industry and 16-slice CT scanners are currently considered sufficient for most veterinary indications. There are only three 128-slice units in use in veterinary medicine, one in Scandinavia, one in Germany and another in the United States. Veterinary radiology has been a sp ...
... started in the veterinary industry and 16-slice CT scanners are currently considered sufficient for most veterinary indications. There are only three 128-slice units in use in veterinary medicine, one in Scandinavia, one in Germany and another in the United States. Veterinary radiology has been a sp ...