Quantitative Imaging With a Pinhole Cardiac SPECT CZT Camera
... correcting for attenuation, scatter and the partial volume effects. Clinical accuracy was assessed using 99mTc-tetrofosmin myocardial perfusion images obtained on the NM530c and compared to DEW scatter-corrected images acquired on a conventional SPECT camera for the same patient. DEW-SC images acqui ...
... correcting for attenuation, scatter and the partial volume effects. Clinical accuracy was assessed using 99mTc-tetrofosmin myocardial perfusion images obtained on the NM530c and compared to DEW scatter-corrected images acquired on a conventional SPECT camera for the same patient. DEW-SC images acqui ...
Conventional Radiography of the Shoulder
... relatively uniform distribution of soft-tissue density across the anatomy, thus providing excellent osseous detail of the entire shoulder girdle. As a result, one or more of the AP projections are almost always included in the standard radiographic examination of the shoulder. These views allow for ...
... relatively uniform distribution of soft-tissue density across the anatomy, thus providing excellent osseous detail of the entire shoulder girdle. As a result, one or more of the AP projections are almost always included in the standard radiographic examination of the shoulder. These views allow for ...
Magnetic Resonance Lymphangiography for the Study of Lymphatic
... isotopic contrast agent, has insufficient resolution to accurately outline the internal anatomy of the lymph nodes and lymphatic vessels. The measurement of tracer clearance at the injection point and accumulation of the tracer in the inguinal lymph nodes may be valuable in functional evaluation but ...
... isotopic contrast agent, has insufficient resolution to accurately outline the internal anatomy of the lymph nodes and lymphatic vessels. The measurement of tracer clearance at the injection point and accumulation of the tracer in the inguinal lymph nodes may be valuable in functional evaluation but ...
Topical contrast agents to improve soft
... Although CBCT provides less radiation than multidetector CT (MDCT), CBCT presents with a lower signal-to-noise ratio. The larger amounts of scattered radiation from the X-ray source in CBCT enhance noise in the reconstructed images, affect the low-contrast detectability and thus may influence image ...
... Although CBCT provides less radiation than multidetector CT (MDCT), CBCT presents with a lower signal-to-noise ratio. The larger amounts of scattered radiation from the X-ray source in CBCT enhance noise in the reconstructed images, affect the low-contrast detectability and thus may influence image ...
(2nd Edition) Evidence-Based Clinical Practice Guidelines Nodules
... are obtained for some other purpose. In one study5 from the 1950s, an SPN was found in 1 of 500 CXRs (0.2%) that were obtained in community settings. More recently, almost 7% of 1,000 healthy volunteers in New York who participated in the Early Lung Cancer Action Project6 were found to have between ...
... are obtained for some other purpose. In one study5 from the 1950s, an SPN was found in 1 of 500 CXRs (0.2%) that were obtained in community settings. More recently, almost 7% of 1,000 healthy volunteers in New York who participated in the Early Lung Cancer Action Project6 were found to have between ...
Nuclear Medicine in Musculoskeletal Disorders
... variable or limited. Three-phase bone scintigraphy is currently the most used technique because it allows evaluating the degree of hyperemia (flow phase), increased of articular permeability (blood pool phase) and the presence of alterations in bone remodeling (bone tissue phase). Traditional techni ...
... variable or limited. Three-phase bone scintigraphy is currently the most used technique because it allows evaluating the degree of hyperemia (flow phase), increased of articular permeability (blood pool phase) and the presence of alterations in bone remodeling (bone tissue phase). Traditional techni ...
revised european training curriculum for radiology
... These learning outcomes are less dependent on the times and routes of acquisition. While the concept of “knowledge” has been the traditional basis for educational curricula providing lists of topics the trainee is expected to learn, the concepts of skills, competences and attitudes are more difficul ...
... These learning outcomes are less dependent on the times and routes of acquisition. While the concept of “knowledge” has been the traditional basis for educational curricula providing lists of topics the trainee is expected to learn, the concepts of skills, competences and attitudes are more difficul ...
Non-rigid image registration: theory and practice
... (see Appendix 1 for a description of common terminology such as source and target). There may be gaps in the target image where correspondence is not defined at the selected scale. Some work has been done on symmetric schemes which guarantee the same result whether image A is matched to image B or v ...
... (see Appendix 1 for a description of common terminology such as source and target). There may be gaps in the target image where correspondence is not defined at the selected scale. Some work has been done on symmetric schemes which guarantee the same result whether image A is matched to image B or v ...
MRI of Sports-Related Injuries of the Foot and Ankle: Part 1
... and medial to the heel usually are midly swollen. Patients with navicular stress fractures experience insidious onset of dorsal midfoot pain.17 In cases of sesamoids stress fractures swelling is not a prominent feature; there is, however, marked tenderness to pressure over the involved sesamoid. Cli ...
... and medial to the heel usually are midly swollen. Patients with navicular stress fractures experience insidious onset of dorsal midfoot pain.17 In cases of sesamoids stress fractures swelling is not a prominent feature; there is, however, marked tenderness to pressure over the involved sesamoid. Cli ...
Assessment of the Performance of an Enhanced Planar Processing
... Problem: Since bone metastasis is considered as a severe complication related to increased morbidity and decreased survival, patient care becomes even more imperative. Thus, one must seek the best techniques to attain a proper result from the imaging procedure with minimal discomfort to the patient. ...
... Problem: Since bone metastasis is considered as a severe complication related to increased morbidity and decreased survival, patient care becomes even more imperative. Thus, one must seek the best techniques to attain a proper result from the imaging procedure with minimal discomfort to the patient. ...
SHP Catalog 2014-2016 - MD Anderson Cancer Center
... laboratory instruments, monitor quality control programs, produce high-quality patient test results and correlate test results with disease processes. The primary goal of the Clinical Laboratory Science program is provide the community with competent, entry-level clinical laboratory scientists (medi ...
... laboratory instruments, monitor quality control programs, produce high-quality patient test results and correlate test results with disease processes. The primary goal of the Clinical Laboratory Science program is provide the community with competent, entry-level clinical laboratory scientists (medi ...
with a grid
... Grids are devices that are used to improve contrast on a radiographic image. This improvement of contrast is achieved by absorption of scatter radiation produced by the patient as the primary beam interacts with the patient’s tissues. This contrast improvement also comes at a cost. As the grids’ abi ...
... Grids are devices that are used to improve contrast on a radiographic image. This improvement of contrast is achieved by absorption of scatter radiation produced by the patient as the primary beam interacts with the patient’s tissues. This contrast improvement also comes at a cost. As the grids’ abi ...
anti scatter grid
... Contrast: capability of the system to make visible small differences in soft tissue density Sharpness: capability of the system to make visible small details (calcifications down to 0.1 mm) Dose: the female breast is a very radiosensitive organ and there is a risk of carcinogenesis associated with t ...
... Contrast: capability of the system to make visible small differences in soft tissue density Sharpness: capability of the system to make visible small details (calcifications down to 0.1 mm) Dose: the female breast is a very radiosensitive organ and there is a risk of carcinogenesis associated with t ...
Quantitative assessment of MRI lesion load in multiple sclerosis
... 150, inversion time = 2200, 18 axial slices 5 mm thickness; 256x256 image matrix, field of view = 200 mm; echo-train length = 15) sequences were performed using a 1.0 T machine in the same session without moving the patient from the scanner. The total acquisition time for CSE was 6 min 54 s and for ...
... 150, inversion time = 2200, 18 axial slices 5 mm thickness; 256x256 image matrix, field of view = 200 mm; echo-train length = 15) sequences were performed using a 1.0 T machine in the same session without moving the patient from the scanner. The total acquisition time for CSE was 6 min 54 s and for ...
ORIGINAL ARTICLE MAGNETIC RESONANCE IMAGING OF THE
... diagnosis of traumatic intra-articular knee lesions. It is non invasive, fast, can be done on an outpatient basis, and is free of complications. It is unique in its ability to demonstrate the nature and extent of injuries. Imaging can be accomplished in any plane without moving the patient and a wid ...
... diagnosis of traumatic intra-articular knee lesions. It is non invasive, fast, can be done on an outpatient basis, and is free of complications. It is unique in its ability to demonstrate the nature and extent of injuries. Imaging can be accomplished in any plane without moving the patient and a wid ...
diagnostic imaging equipment industry
... PRODUC TS This section is devoted to a detailed description of each of the types of medical diagnostic imaging equipment. For each product there is ...
... PRODUC TS This section is devoted to a detailed description of each of the types of medical diagnostic imaging equipment. For each product there is ...
New Mammographic Modality Training
... document is true and correct. I understand that FDA may request additional information to substantiate the statements made in the document. I understand that knowingly providing false information in a matter within the jurisdiction of an agency of the United States could result in criminal liability ...
... document is true and correct. I understand that FDA may request additional information to substantiate the statements made in the document. I understand that knowingly providing false information in a matter within the jurisdiction of an agency of the United States could result in criminal liability ...
Principles and clinical application of ultrasound - e
... Accurate assessment of the degree of liver fibrosis is important for estimating prognosis and deciding on an appropriate course of treatment for cases of chronic liver disease (CLD) with various etiologies. Because of the inherent limitations of liver biopsy, there is a great need for noninvasive an ...
... Accurate assessment of the degree of liver fibrosis is important for estimating prognosis and deciding on an appropriate course of treatment for cases of chronic liver disease (CLD) with various etiologies. Because of the inherent limitations of liver biopsy, there is a great need for noninvasive an ...
Patellar Tendinopathy - University of Pennsylvania Orthopaedic
... of hypoechoic areas indicating pathology. Color Doppler ultrasound is performed while the knee is extended to prevent mechanical constriction of the blood vessels and falsely hide the presence of neovascularization. An ultrasound image of normal, disease-free tendons shows regular and smooth fibers ...
... of hypoechoic areas indicating pathology. Color Doppler ultrasound is performed while the knee is extended to prevent mechanical constriction of the blood vessels and falsely hide the presence of neovascularization. An ultrasound image of normal, disease-free tendons shows regular and smooth fibers ...
Application of Intelligent Computational Models on Computed
... is considered one of new computer science fields which mimics biological intelligence that involve the computers learn and adapt in new situation [28] . There are several typical computational intelligence approaches such as artificial neural network (ANN) [21-23, 25, 29], genetic algorithm, fuzzy l ...
... is considered one of new computer science fields which mimics biological intelligence that involve the computers learn and adapt in new situation [28] . There are several typical computational intelligence approaches such as artificial neural network (ANN) [21-23, 25, 29], genetic algorithm, fuzzy l ...
Positron Emission Tomography (PET) Scanning: Cardiac Applications
... noninvasive assessment of myocardial perfusion; a negative test will not alter disease probability sufficiently to avoid invasive angiography. Accordingly, myocardial perfusion imaging is potentially beneficial for patients at intermediate risk of CAD (25%-75% disease prevalence).* This risk can be ...
... noninvasive assessment of myocardial perfusion; a negative test will not alter disease probability sufficiently to avoid invasive angiography. Accordingly, myocardial perfusion imaging is potentially beneficial for patients at intermediate risk of CAD (25%-75% disease prevalence).* This risk can be ...
Thyroid Gland Tumor Diagnosis at US Elastography
... from the scanner and used for off-line strain image reconstruction. All elastograms were evaluated for the lesion visibility, relative brightness, and margin regularity and definition by using a four-point scale. In addition, normal thyroid gland tissue and thyroid gland tumor strains were measured ...
... from the scanner and used for off-line strain image reconstruction. All elastograms were evaluated for the lesion visibility, relative brightness, and margin regularity and definition by using a four-point scale. In addition, normal thyroid gland tissue and thyroid gland tumor strains were measured ...
Imaging assessment of ventricular mechanics
... because regional differences are likely to persist despite load changes. One important criticism of assessing myocardial strain from TDI has been that the technique is angle dependent. One way to partially avoid this objection is to align the ultrasound beam along the main fibre direction in the myoc ...
... because regional differences are likely to persist despite load changes. One important criticism of assessing myocardial strain from TDI has been that the technique is angle dependent. One way to partially avoid this objection is to align the ultrasound beam along the main fibre direction in the myoc ...
Breast Ultrasound for the Mammography Technologist
... 12 months of full-time, breast-ultrasound clinical experience (which is designated as 35 hours per week at least 24 weeks per year) in a breastultrasound setting 12 continuing education credit hours in breast ultrasound Clinical verification form – keep for 36 mos (audit) Formal letter of attestatio ...
... 12 months of full-time, breast-ultrasound clinical experience (which is designated as 35 hours per week at least 24 weeks per year) in a breastultrasound setting 12 continuing education credit hours in breast ultrasound Clinical verification form – keep for 36 mos (audit) Formal letter of attestatio ...