Muscular Dystrophies: What the radiologist should know
... –! typically T1W, axial images only –! to improve efficiency, a limited number of selected slices ...
... –! typically T1W, axial images only –! to improve efficiency, a limited number of selected slices ...
Type of article: Original
... reformation (MPR), thin-slab maximum intensity projection(MIP) and volume rendering. Sophisticated segmentation algorithms, vessel analysis tools and automatic lumen boundary definition are established techniques. Bone removal with thresholding or subtraction algorithms is available. Direct volume r ...
... reformation (MPR), thin-slab maximum intensity projection(MIP) and volume rendering. Sophisticated segmentation algorithms, vessel analysis tools and automatic lumen boundary definition are established techniques. Bone removal with thresholding or subtraction algorithms is available. Direct volume r ...
3-D Printing Changes the Face of Transplant Surgery
... the involved practitioner. Evaluating those radiation management processes and practices discussed in this Statement shall be a part of an interventional service’s QA-PR program. NCRP Report No. 168 emphasizes that the safe performance of FGI procedures requires controlling radiation dose in order ...
... the involved practitioner. Evaluating those radiation management processes and practices discussed in this Statement shall be a part of an interventional service’s QA-PR program. NCRP Report No. 168 emphasizes that the safe performance of FGI procedures requires controlling radiation dose in order ...
Ding et al - Academia Publishing
... centrally hypointense region on T2-weighted images. And the hypointensity area was showed as radiating bands corresponding with areas of fibrous on pathology. Therefore, MRI-enhanced examination might provide more information for us to diagnose SANT of the spleen. The differential diagnosis of a spl ...
... centrally hypointense region on T2-weighted images. And the hypointensity area was showed as radiating bands corresponding with areas of fibrous on pathology. Therefore, MRI-enhanced examination might provide more information for us to diagnose SANT of the spleen. The differential diagnosis of a spl ...
The Radiologic Assessment of Trigeminal Neuropathy
... Finally, does the more expensive technology of MR provide any advantages over CT in this patient population? After analysis of the imaging data collected in this study, a suggested optimum MR imaging protocol was devised for patients with trigeminal neuropathy. In this series, clinical findings were ...
... Finally, does the more expensive technology of MR provide any advantages over CT in this patient population? After analysis of the imaging data collected in this study, a suggested optimum MR imaging protocol was devised for patients with trigeminal neuropathy. In this series, clinical findings were ...
PET/CT Issues: CT-based attenuation correction (CTAC), Artifacts
... Helical+CINE CTAC Protocol •Dual scout scans for diaphragm range determination ...
... Helical+CINE CTAC Protocol •Dual scout scans for diaphragm range determination ...
Modern Liver Imaging Techniques - Toshiba Medical Systems Europe
... recommended surveillance interval is 6 months based on doubling time of HCC [5]. Semiannual US surveillance recommendation is also supported by cost effective analysis. It is the only cost-effective modality for HCC surveillance [6]. Importance of Image quality One of the main challenges for ultraso ...
... recommended surveillance interval is 6 months based on doubling time of HCC [5]. Semiannual US surveillance recommendation is also supported by cost effective analysis. It is the only cost-effective modality for HCC surveillance [6]. Importance of Image quality One of the main challenges for ultraso ...
Ultrasound elastography and magnetic resonance examinations are
... (> 3 mm) or fistulae connected with abscesses [9]. The diagnosis of large lesions can be difficult and differential diagnosis is often required in the presence of inflammation for breast cancer [10, 11]. Although real-time ultrasound elastography (UE) can provide informative images that distinguish ...
... (> 3 mm) or fistulae connected with abscesses [9]. The diagnosis of large lesions can be difficult and differential diagnosis is often required in the presence of inflammation for breast cancer [10, 11]. Although real-time ultrasound elastography (UE) can provide informative images that distinguish ...
Echocardiography for Cardiac Resynchronization
... CRT, suboptimal lead placement, and other factors not yet defined.24,29-33 Accordingly, the absence of dyssynchrony is only one factor for nonresponse, but one that potentially can be identified prospectively by echocardiographic Doppler methods. Results from the PROSPECT study illustrated that techni ...
... CRT, suboptimal lead placement, and other factors not yet defined.24,29-33 Accordingly, the absence of dyssynchrony is only one factor for nonresponse, but one that potentially can be identified prospectively by echocardiographic Doppler methods. Results from the PROSPECT study illustrated that techni ...
Electromagnetic Tracking for Medical Imaging
... the CT gantry, and the presence/absence of the CT X-ray source. The performance of the tracking system reveals two obvious factors which bring in electromagnetic interference: 1) metal like effect brought in by carbon fiber patient couch and 2) electromagnetic disturbance due to spinning metal insid ...
... the CT gantry, and the presence/absence of the CT X-ray source. The performance of the tracking system reveals two obvious factors which bring in electromagnetic interference: 1) metal like effect brought in by carbon fiber patient couch and 2) electromagnetic disturbance due to spinning metal insid ...
PET vs. SPECT: in the Context of Ongoing Developments (Review
... ~2 or ~4 (depending on whether 2 or 4 segments ...
... ~2 or ~4 (depending on whether 2 or 4 segments ...
PDF of this page
... Detailed study of gross anatomical structures will be conducted systematically for location, relationship to other structures, function, and common pathologic conditions. Anatomical structures are located and identified in axial (transverse), sagittal, coronal, and orthogonal (oblique) planes with a ...
... Detailed study of gross anatomical structures will be conducted systematically for location, relationship to other structures, function, and common pathologic conditions. Anatomical structures are located and identified in axial (transverse), sagittal, coronal, and orthogonal (oblique) planes with a ...
Role of Imaging in the Management of Oral Cancers
... Invasion of IJV and other adjacent structures • FDG PETCT may be ordered and used to map the nodal burden prior to RT planning ...
... Invasion of IJV and other adjacent structures • FDG PETCT may be ordered and used to map the nodal burden prior to RT planning ...
RADIOLOGIC TECHNOLOGY PROGRAM MANUAL 2014-2015
... I have read the Substance Abuse Policy of North Arkansas College and agree as a student in the Radiologic Technology Program to comply with all aspects of the policy as written, including but not limited to urine, blood, or breathalyzer testing. I agree that a drug testing facility is authorized by ...
... I have read the Substance Abuse Policy of North Arkansas College and agree as a student in the Radiologic Technology Program to comply with all aspects of the policy as written, including but not limited to urine, blood, or breathalyzer testing. I agree that a drug testing facility is authorized by ...
Floating navigator echo (FNAV) for in
... from the center of k-space. Unlike ONAV, where the presence of a low k-space point on the orbital trajectory does not significantly affect accuracy, the FNAV estimation procedure must ensure that the k-space point used to estimate the y-direction motion has sufficient SNR. We used a practical procedur ...
... from the center of k-space. Unlike ONAV, where the presence of a low k-space point on the orbital trajectory does not significantly affect accuracy, the FNAV estimation procedure must ensure that the k-space point used to estimate the y-direction motion has sufficient SNR. We used a practical procedur ...
scrotal ultrasound - Bruce R Gilbert MD PHD PC
... a cavity that normally contains a small amount of fluid. When this cavity contains more than the physiologic amount of fluid (1-2 mL), a hydrocele is present. When blood collects in this cavity or in areas outside the parietal vaginalis, it constitutes a hematocele. The scrotal blood supply. The scr ...
... a cavity that normally contains a small amount of fluid. When this cavity contains more than the physiologic amount of fluid (1-2 mL), a hydrocele is present. When blood collects in this cavity or in areas outside the parietal vaginalis, it constitutes a hematocele. The scrotal blood supply. The scr ...
Physical Principles and Technology of Clinical PET Imaging
... at this energy, is characterised by the scatter fraction (SF), the ratio of scattered events to total events. Random coincidences (Fig. 2b) are a consequence of 2 unrelated annihilation photons arriving within the time window used to define a coincidence. The random coincidence rate increases linear ...
... at this energy, is characterised by the scatter fraction (SF), the ratio of scattered events to total events. Random coincidences (Fig. 2b) are a consequence of 2 unrelated annihilation photons arriving within the time window used to define a coincidence. The random coincidence rate increases linear ...
Shading correction algorithm for improvement of cone beam CT
... A recent advance in radiotherapy imaging has been the integration of kilovoltage X-ray sources and amorphous silicon imaging panels onto commercially available medical linear accelerator gantries. This allows digital, rotational fluoroscopy to be performed in support of cone-beam CT (CBCT) reconstru ...
... A recent advance in radiotherapy imaging has been the integration of kilovoltage X-ray sources and amorphous silicon imaging panels onto commercially available medical linear accelerator gantries. This allows digital, rotational fluoroscopy to be performed in support of cone-beam CT (CBCT) reconstru ...
- Asian Pacific Journal of Cancer Prevention
... magnetic resonance imagings (DWIs) using a single-shot echo-planar technique were performed under SPAIR (spectral attenuated inversion recovery) with respiratory triggered scan with the following parameter: TR/TE/flip angle, 3000-4500/65/90; diffusion gradient encoding in three orthogonal directions ...
... magnetic resonance imagings (DWIs) using a single-shot echo-planar technique were performed under SPAIR (spectral attenuated inversion recovery) with respiratory triggered scan with the following parameter: TR/TE/flip angle, 3000-4500/65/90; diffusion gradient encoding in three orthogonal directions ...
The influence of bowtie filtration on cone
... I. INTRODUCTION Cone-beam computed tomography 共CBCT兲 systems are employed in radiation therapy to provide information regarding daily target and normal tissue localization during the course of fractionated radiation treatment. CBCT allows radiation to be directed at tumors with greater accuracy and ...
... I. INTRODUCTION Cone-beam computed tomography 共CBCT兲 systems are employed in radiation therapy to provide information regarding daily target and normal tissue localization during the course of fractionated radiation treatment. CBCT allows radiation to be directed at tumors with greater accuracy and ...
Infimal Convolution of Total Generalized Variation Functionals for
... background. Such a separation is, however, not generally applicable and current works employ a patch-based decomposition to locally improve reconstruction quality (30, 31, 32) with increased computational complexity. In (32) for instance, patches are generated from an initial dynamic CS reconstructi ...
... background. Such a separation is, however, not generally applicable and current works employ a patch-based decomposition to locally improve reconstruction quality (30, 31, 32) with increased computational complexity. In (32) for instance, patches are generated from an initial dynamic CS reconstructi ...
thyroid scintigraphy new 2011
... Halflife = 8.02 days, physical halflife long enough for therapy the agent of choice for radio-active treatment of hyperthyroidism and thyroid ca patients Cheap radio-activity, readily available Both gamma and B radiation that is being emitted Medium energy BETA emission (0.61 MeV) Beta particles cau ...
... Halflife = 8.02 days, physical halflife long enough for therapy the agent of choice for radio-active treatment of hyperthyroidism and thyroid ca patients Cheap radio-activity, readily available Both gamma and B radiation that is being emitted Medium energy BETA emission (0.61 MeV) Beta particles cau ...
exjob40
... motives for developing and improving image guidance systems. Operating alone, MRI, CT or conventional ultrasound imaging such as hand-held 2D ultrasound scanners for multi-purpose use are in general not considered image guided surgery tools. The reason is that they usually do not provide the possibi ...
... motives for developing and improving image guidance systems. Operating alone, MRI, CT or conventional ultrasound imaging such as hand-held 2D ultrasound scanners for multi-purpose use are in general not considered image guided surgery tools. The reason is that they usually do not provide the possibi ...
18F-FDOPA PET Imaging of Brain Tumors: Comparison Study with
... 18F-FDG PET studies with MRI as a reference. Clinical information was available to the interpreting physicians. Any tracer activities above background levels were considered abnormal for both 18F-FDOPA PET and 18F-FDG PET scans. For semiquantitative image analysis (region of interest [ROI]), ROIs we ...
... 18F-FDG PET studies with MRI as a reference. Clinical information was available to the interpreting physicians. Any tracer activities above background levels were considered abnormal for both 18F-FDOPA PET and 18F-FDG PET scans. For semiquantitative image analysis (region of interest [ROI]), ROIs we ...
Quantification in fluorine-18-fluorodeoxyglucose dedicated breast
... scanners along the axial direction. (A) 2D scanner with lead septa (gray bars) allowing LORs with maximum ring difference of +/−1. (B) 3D scanner with lead septa only at the axial ends (end-shields) permitting LORs with all possible ring differences. . . . . . . . . . Examples of PEM scanner geometr ...
... scanners along the axial direction. (A) 2D scanner with lead septa (gray bars) allowing LORs with maximum ring difference of +/−1. (B) 3D scanner with lead septa only at the axial ends (end-shields) permitting LORs with all possible ring differences. . . . . . . . . . Examples of PEM scanner geometr ...