Prospective motion correction of high-resolution magnetic resonance imaging data in children ⁎
... Real-time motion tracking and correction with spiral navigator (SNAV) sequences was performed using the extended Kalman filter (EKF) algorithm (Gelb, 1974) applied to MRI as reported by Dale and colleagues (White et al., 2007, 2010) and as described previously for prospective motion correction in S-N ...
... Real-time motion tracking and correction with spiral navigator (SNAV) sequences was performed using the extended Kalman filter (EKF) algorithm (Gelb, 1974) applied to MRI as reported by Dale and colleagues (White et al., 2007, 2010) and as described previously for prospective motion correction in S-N ...
Gated Myocardial Perfusion SPECT Imaging.
... is able to provide an accurate attenuation correction and lesion localization. CT systems are also able to provide information about coronary angiography and when combined with perfusion images can result in substantial diagnostic information in one imaging session. Another area of research being co ...
... is able to provide an accurate attenuation correction and lesion localization. CT systems are also able to provide information about coronary angiography and when combined with perfusion images can result in substantial diagnostic information in one imaging session. Another area of research being co ...
Automatic CT Image Segmentation of the Lungs with Region
... computed tomography patient image is generally to first segment the region of interest, in this case lung, and then analyze separately each area obtained, for a tumor, cancer, node detection or other pathology for diagnosis. This is generally much easier approach, because the area used for setting t ...
... computed tomography patient image is generally to first segment the region of interest, in this case lung, and then analyze separately each area obtained, for a tumor, cancer, node detection or other pathology for diagnosis. This is generally much easier approach, because the area used for setting t ...
MATHEMATICAL METHODS IN MEDICAL IMAGE PROCESSING
... tissues, it is particularly useful in imaging the abdomen. In contrast to X-rays, ultrasound does not damage tissues with ionizing radiation. The great disadvantage of ultrasonography is that it produces very noisy images. It may therefore be hard to distinguish smaller features (such as cysts in br ...
... tissues, it is particularly useful in imaging the abdomen. In contrast to X-rays, ultrasound does not damage tissues with ionizing radiation. The great disadvantage of ultrasonography is that it produces very noisy images. It may therefore be hard to distinguish smaller features (such as cysts in br ...
PSEUDOANGIOMATOUS STROMAL HYPERPLASIA OF BREAST
... The tumoral form of PASH most commonly manifests as a single, circumscribed palpable mass in a pre-menopausal female1, 2, 6 as also seen with the patient in this study. The mass is usually large (5–6 cm in diameter), with reported diameters ranging from 1 to 12 cm (Ref.1, 2, 6). The reported age ran ...
... The tumoral form of PASH most commonly manifests as a single, circumscribed palpable mass in a pre-menopausal female1, 2, 6 as also seen with the patient in this study. The mass is usually large (5–6 cm in diameter), with reported diameters ranging from 1 to 12 cm (Ref.1, 2, 6). The reported age ran ...
Imaging of malignant cervical lymphadenopathy.
... CT remains the most widely used modality for neck imaging. The CT examination is performed in the axial plane with contiguous sections of 3 ± 5 mm whilst a bolus of intravenous contrast media is administered. CT criteria for assessing lymph node metastases are based on size, shape, the presence of c ...
... CT remains the most widely used modality for neck imaging. The CT examination is performed in the axial plane with contiguous sections of 3 ± 5 mm whilst a bolus of intravenous contrast media is administered. CT criteria for assessing lymph node metastases are based on size, shape, the presence of c ...
Ultrasound rotation objectives
... 1.Understand and apply the ALARA (As low as reasonably achievable) principle when performing Ob Gyn ultrasound 2.Demonstrate understanding of Ultrasound safety as it relates to Bioeffects of Mechanical and thermal energy . 2.1Define thermal index and Mechanical index 2.2 Optimizes ultrasound setting ...
... 1.Understand and apply the ALARA (As low as reasonably achievable) principle when performing Ob Gyn ultrasound 2.Demonstrate understanding of Ultrasound safety as it relates to Bioeffects of Mechanical and thermal energy . 2.1Define thermal index and Mechanical index 2.2 Optimizes ultrasound setting ...
Real-Time Imaging of Skeletal Muscle Velocity
... have resolution comparable to images obtained using cine MRI. Also, real-time PC MRI currently encodes velocity in one direction relative to the imaging plane. Resolving velocities in all three directions is possible with real-time PC, but would double the time to acquire each frame of image data. H ...
... have resolution comparable to images obtained using cine MRI. Also, real-time PC MRI currently encodes velocity in one direction relative to the imaging plane. Resolving velocities in all three directions is possible with real-time PC, but would double the time to acquire each frame of image data. H ...
Fall 2007 - Stony Brook University School of Medicine
... Coronary artery disease (CAD) is the leading cause of death in the United States. According to the American Heart Association, more than 12 million Americans had a history symptomatic disease, approximately 1 million experienced an acute coronary event, and approximately 500,000 died. The impact on ...
... Coronary artery disease (CAD) is the leading cause of death in the United States. According to the American Heart Association, more than 12 million Americans had a history symptomatic disease, approximately 1 million experienced an acute coronary event, and approximately 500,000 died. The impact on ...
Multiple Kernel Learning Approach For Medical Image
... function and location of different organs, following imaging techniques are used by modern diagnostic imaging : 1. Thermography : Infrared imaging is a passive, non-invasive imaging method used to detect and locate temperature distribution as a result of some pathological condition while analyzing p ...
... function and location of different organs, following imaging techniques are used by modern diagnostic imaging : 1. Thermography : Infrared imaging is a passive, non-invasive imaging method used to detect and locate temperature distribution as a result of some pathological condition while analyzing p ...
Open full article - Acta Veterinaria Brno
... of MR images. The second objective was to determine the optimal level of gadolinium contrast medium dilution in MRI examinations of the canine elbow joint. Materials and Methods The study was performed on 24 elbow joints of 12 dogs of both sexes euthanized for reasons unrelated to orthopedic conditi ...
... of MR images. The second objective was to determine the optimal level of gadolinium contrast medium dilution in MRI examinations of the canine elbow joint. Materials and Methods The study was performed on 24 elbow joints of 12 dogs of both sexes euthanized for reasons unrelated to orthopedic conditi ...
PET CT Scan with Medical Cyclotron
... A digital readout of the horizontal and vertical position of the bed must exist and must be located near the aperture controls for the bed to provide ease in positioning. Paediatric pallet, Head support, Arm support, Knee-leg and all others applicable support are to be provided. Attachable table top ...
... A digital readout of the horizontal and vertical position of the bed must exist and must be located near the aperture controls for the bed to provide ease in positioning. Paediatric pallet, Head support, Arm support, Knee-leg and all others applicable support are to be provided. Attachable table top ...
- Frank`s Hospital Workshop
... a qualified Gendex dealer should remove the cover from the scanner. Direct eye contact with the output beam from the laser may cause serious damage and possible blindness. ...
... a qualified Gendex dealer should remove the cover from the scanner. Direct eye contact with the output beam from the laser may cause serious damage and possible blindness. ...
X-Rays on Earth and From Space NuSTAR Educator`s Guide
... mirrors, 133 in total, are nested tightly together to increase collecting area. NuSTAR has two of these Wolter-I optical units, each pointing at the same patch of sky. ...
... mirrors, 133 in total, are nested tightly together to increase collecting area. NuSTAR has two of these Wolter-I optical units, each pointing at the same patch of sky. ...
(exchange pictures for a selected image of resident research) DEPARTMENT OF RADIOLOGY
... to make judgments as to whether imaging is indicated in a particular clinical setting, and if so, what sequence should be followed. Coordination with on-call technologists and physicians is necessary. It is expected that they will be able to expedite most problems. To do this effectively, they have ...
... to make judgments as to whether imaging is indicated in a particular clinical setting, and if so, what sequence should be followed. Coordination with on-call technologists and physicians is necessary. It is expected that they will be able to expedite most problems. To do this effectively, they have ...
Simultaneous MRI/PET image acquisition from an MRI
... modalities is of great diagnostic value as compared to stand-alone imaging systems. With the emergence of hybrid imaging systems such as combined X-ray Computed Tomography (CT) and Positron Emission Tomography (PET), accurate anatomical detail from CT is fused with physiological information of the b ...
... modalities is of great diagnostic value as compared to stand-alone imaging systems. With the emergence of hybrid imaging systems such as combined X-ray Computed Tomography (CT) and Positron Emission Tomography (PET), accurate anatomical detail from CT is fused with physiological information of the b ...
RESEARCH ARTICLE Diagnostic Accuracy of Magnetic Resonance
... In this prospective study, all patients were admitted to the gynecology clinic with chief complaint of AUB (Abnormal Uterine Bleeding) and none of them was referred to an abnormal screening test, such as PAP test. That may shows the need for evaluation of screening test training programs in populati ...
... In this prospective study, all patients were admitted to the gynecology clinic with chief complaint of AUB (Abnormal Uterine Bleeding) and none of them was referred to an abnormal screening test, such as PAP test. That may shows the need for evaluation of screening test training programs in populati ...
MRI Based Approach to Metabolic Disorders in
... • Malignant neoplasms such as medulloblastoma, ATRT, ependymoma account for 50% of posterior fossa/infratentorial pediatric brain tumors. • Approximately 50% of these patients will have leptomeningeal spread at time of presentation. • Initial treatment options include Surgery, Craniospinal Radiation ...
... • Malignant neoplasms such as medulloblastoma, ATRT, ependymoma account for 50% of posterior fossa/infratentorial pediatric brain tumors. • Approximately 50% of these patients will have leptomeningeal spread at time of presentation. • Initial treatment options include Surgery, Craniospinal Radiation ...
Imaging Sequences for First Pass Perfusion—A Review
... 1. Temporal Resolution Two distinct measures of temporal resolution are important for perfusion imaging. The time between two images of the same slice location affects the ability to sample the dynamic signal intensity changes during the first pass to allow modeling the kinetics of blood flow to the ...
... 1. Temporal Resolution Two distinct measures of temporal resolution are important for perfusion imaging. The time between two images of the same slice location affects the ability to sample the dynamic signal intensity changes during the first pass to allow modeling the kinetics of blood flow to the ...
X-Ray Equipment PROCEDURE MANUAL - Dartmouth
... the patient before they become significant and, most frequently, to request service or calibration of the imaging systems before loss of image quality. The Quality Control Program is an integral part of the overall quality assurance program within the Radiology Department and the hospital as a whole ...
... the patient before they become significant and, most frequently, to request service or calibration of the imaging systems before loss of image quality. The Quality Control Program is an integral part of the overall quality assurance program within the Radiology Department and the hospital as a whole ...
2D filtered backprojection for fan-beam CT with
... (3D) CTs of patients prior to treatment and guide their delivery accordingly. Existing cone-beam CT scanners are generally fixed to the gantry of the linear accelerator with an x-ray source dedicated to imaging that is orthogonal to the treatment beam [1]. MedPhoton, a spin-off company of Paracelsus ...
... (3D) CTs of patients prior to treatment and guide their delivery accordingly. Existing cone-beam CT scanners are generally fixed to the gantry of the linear accelerator with an x-ray source dedicated to imaging that is orthogonal to the treatment beam [1]. MedPhoton, a spin-off company of Paracelsus ...
MAGNETIC RESONANCE IMAGING OF LIVER LESIONS
... On breath-hold T1 weighted sequences, metastases demonstrate low signal intensity with rim enhancement on postcontrast studies (Fig. 9a, b, c). Metastases show signal hyperintensity compared to liver parenchyma on T2 weighted images on MRI. Most metastases have regular borders and homogeneous signal ...
... On breath-hold T1 weighted sequences, metastases demonstrate low signal intensity with rim enhancement on postcontrast studies (Fig. 9a, b, c). Metastases show signal hyperintensity compared to liver parenchyma on T2 weighted images on MRI. Most metastases have regular borders and homogeneous signal ...
Improving Medical Imaging Display Performance
... d) Monitor and audit the displays used in diagnostic work to ensure no rogue displays or displays intended for other uses (navigation displays, 3D workstation displays, etc.) get used improperly. ...
... d) Monitor and audit the displays used in diagnostic work to ensure no rogue displays or displays intended for other uses (navigation displays, 3D workstation displays, etc.) get used improperly. ...
Image Analysis and Computer Vision in Medicine
... • morphometry: the use of computerized techniques allows better precision and repeatability, with, as a consequence, improved objectivity of measurement of morphometric parameters like size, area, volume, circumference, etc.; • improved interpretation: the sensitiveness of those new imaging modaliti ...
... • morphometry: the use of computerized techniques allows better precision and repeatability, with, as a consequence, improved objectivity of measurement of morphometric parameters like size, area, volume, circumference, etc.; • improved interpretation: the sensitiveness of those new imaging modaliti ...