Whole-Body Diffusion Tensor Imaging: A Feasibility Study
Conclusion: Whole-body DTI is technically feasible. Further refinements are required to achieve a higher signal-to-noise ratio and improved spatial resolution. A possible clinical application could be the assessment of systemic myopathies. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Whole Body Imaging Source Type: research

Emergency Computed Tomography: What is Missed at First Reading?
Conclusions: There were typically more disparities between resident and attending interpretations in emergency body CT. Major disparities represented only a small proportion of all misinterpretations. The detailed analysis of our data enables benchmarking over time and offers a reference for optimizing the training of residents in emergency radiology. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Whole Body Imaging Source Type: research

Preoperative Coil Embolization in Patients With a Replaced Hepatic Artery Scheduled for Pancreatectomy With Splanchnic Artery Resection Helps to Prevent Ischemic Organ Injury
Conclusions: Coil embolization before pancreatectomy with splanchnic artery resection in patients with a replaced hepatic artery may help to prevent severe ischemic liver injury in the perioperative period. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Abdominal Imaging Source Type: research

Effect of Low-Osmolar Intravenous Contrast on Renal Length
This study included 56 patients (4-phase renal computed tomography [CT] and 4-phase CT urogram [CTU], 19 patients each; split-phase CTU, 18 patients). Three radiologists created the best off-axis plane and renal lengths measured on a postprocessing workstation. Two-way analysis of variance with Bonferroni corrections was performed along with single-sample t tests. Results: Four-phase renal CT and CTU average differences from unenhanced phases were 0.30/0.16 mm (corticomedullary), 0.88/1.33 mm (nephrographic), and 2.17/2.22 mm (delayed). The nephrographic and delayed phases were significantly different from their unenhanced phase (P
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Abdominal Imaging Source Type: research

Gastric Cancer: Preoperative TNM Staging With Individually Adjusted Computed Tomography Scanning Phase
Objective: The aim of this study was to evaluate test bolus scan technology on preoperative diagnostic performance, vascular enhancement, and artery visualization for gastric cancer. Methods: The institutional review board approved this study. Fifty-four patients in protocol 1 were resigned to a fixed delay time scan method, and their images were obtained in the late arterial phase (AP) and portal venous phase (PP), with start delays of 40 and 70 seconds, respectively. Fifty-six patients in protocol 2 had undergone the test bolus method first and received the time to peak enhancement of the aorta. Their images were obtain...
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Abdominal Imaging Source Type: research

Intraobserver and Interobserver Agreement in the Evaluation of Tumor Vascularization With Computed Tomography Perfusion in Cirrhotic Patients With Hepatocellular Carcinoma
Conclusions: For all Perf parameters intra-agreement was higher than interagreement, even though a relatively wide range of 95% limits of agreement was found in both cases. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Abdominal Imaging Source Type: research

The Role of Positron Emission Tomography/Computed Tomography in Management and Prediction of Survival in Pancreatic Cancer
This article reviews the current literature on usefulness of PET/CT in the management of pancreatic cancer patients. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Abdominal Imaging Source Type: research

An Image-Based Reduction of Metal Artifacts in Computed Tomography
Conclusions: From the quantitative calculations, our proposed method has shown to be effective and superior to the conventional approach in both simulation and real dental phantom cases. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Musculoskeletal Imaging Source Type: research

Routine Coronary Calcium Scan Can Precisely Measure Vertebral Bone Density Without a Quantitative Calibration Phantom
Objective: We aimed to assess accuracy and precision of quantitative computed tomography (QCT) and phantomless in thoracic bone mineral density (BMD) assessment using coronary artery calcium scan (CACS). Methods: A total of 513 subjects underwent CACS with a calibration phantom. The thoracic spine BMD and concentration of calcium hydroxyapatite in phantom rods, as well CT Hounsfield unit of both, were measured. The thoracic BMD and phantom-rods calcium concentration were obtained using phantomless. The accuracy and precision error of QCT and phantomless were compared. Results: The mean biases from true calcium concentrat...
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Musculoskeletal Imaging Source Type: research

High-Resolution 3-T Magnetic Resonance Imaging of the Shoulder in Nonsymptomatic Professional Baseball Pitcher Draft Picks
Conclusions: In asymptomatic baseball pitcher draft picks, 3-T MRI frequently shows abnormalities involving rotator cuff tendons, the coracohumeral, inferior glenohumeral, labrum, and osseous structures. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Musculoskeletal Imaging Source Type: research

Non–Electrocardiogram-Triggered 70-kVp High-Pitch Computed Tomography Angiography of the Whole Aorta With Iterative Reconstruction: Initial Results
Objectives: To evaluate the feasibility of non–electrocardiogram (ECG)-triggered 70-kVp high-pitch aortic computed tomography angiography (CTA) with iterative reconstruction (IR) and reduced contrast agent using second-generation dual-source CT (DSCT). Methods: Seventy-seven patients were examined: group A (n = 21), 70-kVp high-pitch (3.2) CTA, 60 mL contrast agent and IR on second-generation DSCT; group B (n = 29), standard-pitch (1.2) CTA, automatic tube voltage selection, filtered back projection and 80 mL contrast agent on second-generation DSCT; group C (n = 27), 120-kVp standard-pitch (1.2) CTA, filtered back ...
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Cardiovascular Imaging Source Type: research

Improved Semiautomated 4D Flow MRI Analysis in the Aorta in Patients With Congenital Aortic Valve Anomalies Versus Tricuspid Aortic Valves
Conclusions: Four-dimensional flow MRI-based semiautomated analysis of aortic hemodynamics can be performed with good reproducibility and accuracy. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Cardiovascular Imaging Source Type: research

Influence of Sinogram-Affirmed Iterative Reconstruction on Computed Tomography–Based Lung Volumetry and Quantification of Pulmonary Emphysema
Objective: The purpose of this study was to evaluate the influence of sinogram-affirmed iterative reconstruction (SAFIRE) on quantification of lung volume and pulmonary emphysema in low-dose chest computed tomography compared with filtered back projection (FBP). Methods: Enhanced or nonenhanced low-dose chest computed tomography was performed in 20 patients with chronic obstructive pulmonary disease (group A) and in 20 patients without lung disease (group B). Data sets were reconstructed with FBP and SAFIRE strength levels 3 to 5. Two readers semiautomatically evaluated lung volumes and automatically quantified pulmonary ...
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Thoracic Imaging Source Type: research

Pulmonary Leptospirosis With Diffuse Alveolar Hemorrhage: High-Resolution Computed Tomographic Findings in 16 Patients
Conclusions: The most frequent HRCT findings in patients with leptospirosis causing DAH were ground-glass opacities, airspace nodules, ground-glass nodules, and consolidations. The lesions showed symmetrical distribution with lower zone predominance in most cases. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Thoracic Imaging Source Type: research

Can Peripheral Bronchopleural Fistula Demonstrated on Computed Tomography be Treated Conservatively? A Retrospective Analysis
Conclusions: In conclusion, when there is hydropneumothorax on CT, it is important for radiologists to diligently search for findings of peripheral BPF and to document it. However, a reference about the need for a surgical approach for BPF may not be required. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Thoracic Imaging Source Type: research

Dual-Energy Computed Tomography Virtual Monoenergetic Imaging of Lung Cancer: Assessment of Optimal Energy Levels
Objective: The aim of the study was to evaluate objective and subjective image qualities of virtual monoenergetic imaging (VMI) in dual-source dual-energy computed tomography (DECT) and optimal kiloelectron-volt (keV) levels for lung cancer. Methods: Fifty-nine lung cancer patients underwent chest DECT. Images were reconstructed as VMI series at energy levels of 40, 60, 80, and 100 keV and standard linear blending (M_0.3) for comparison. Objective and subjective image qualities were assessed. Results: Lesion contrast peaked in 40-keV VMI reconstructions (2.5 ± 2.9) and 60 keV (1.9 ± 3.0), which was superior...
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Thoracic Imaging Source Type: research

Viruses, Immunity and Unusual Lymphoproliferative Disorders of the Chest: Integrating Imaging With Pathogenesis and Clinical Presentations
Abstract: Unusual lymphoproliferative diseases result from the stimulation of intrathoracic lymphoid tissue by viruses and immune dysfunction, ranging from benign hyperplasia to malignant transformation. We review the clinical, radiological, and histopathological findings of unusual lymphoproliferative disorders, which have been linked to viruses or immune dysfunction, focusing on thoracic manifestations. Understanding these advances in science enhances the radiologist's skills in integrating the imaging findings to the clinical scenario to suggest the correct diagnosis. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Thoracic Imaging Source Type: research

Computed Tomography Artifact Created by Air in the X-ray Tube Oil
Abstract: A subtle artifact of patchy hypodensities in computed tomography images of the head mimicked acute or subacute cerebral infarct. The cause of the artifact was air in the oil of the x-ray tube. The artifact manifested only when the acquisition parameters included a rotation time of 0.5 second and a gantry tilt angle of 11 to 20 degrees. Routine quality control testing did not detect nonuniformities in the water phantom. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Qualitative Assessment of Diffusion Weighted Imaging and Susceptibility Weighted Imaging of Myeloid Sarcoma Involving the Brain
Conclusions: In patients with history of leukemia or myeloproliferative disorder, identification of homogenous mass hyperdense on unenhanced CT, T1 isointense, and T2/fluid-attenuated inversion recovery hyperintense with restricted diffusion and homogenous postcontrast enhancement without significant susceptibility artifact is suggestive of myeloid sarcoma. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Volumetric and Correlational Implications of Brain Parcellation Method Selection: A 3-Way Comparison in the Frontal Lobes
Conclusions: Individual differences in specific frontal lobe brain volumes—variously measured—show consistent associations with cognitive ability in older age. Importantly, differences in parcellation protocol for some regions that may impact the outcome of brain-cognition analyses are discussed. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Optimal Contrast of Cerebral Dual-Energy Computed Tomography Angiography in Patients With Spontaneous Subarachnoid Hemorrhage
Objective: The aim of this study was to investigate the image quality of cerebral dual-energy computed tomography (CT) angiography using a nonlinear image blending technique as compared with the conventional linear blending method in patients with spontaneous subarachnoid hemorrhage (SAH). Methods: A retrospective review of 30 consecutive spontaneous SAH patients who underwent a dual-source, dual-energy (80 kV and Sn140 kV mode) cerebral CT angiography was performed with permission from hospital ethical committee. Optimized images using nonlinear blending method were generated and compared with the 0.6 linear blending ima...
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Difference Between HPV-Positive and HPV-Negative Non-Oropharyngeal Head and Neck Cancer: Texture Analysis Features on CT
Objective: To identify the specific texture parameter that shows significant differences between human papillomavirus (HPV)–positive (HPV+) and HPV-negative (HPV-) non-oropharyngeal carcinoma (non-OPC) using texture analysis. Methods: Forty-six patients of non-OPC patients (oral cavity, larynx, and hypopharynx) with known HPV status, who underwent contrast-enhanced computed tomography for initial staging, were retrospectively reviewed. Segmentations of the primary lesion were manually performed, and an in-house developed texture analysis program extracted 42 texture features from each segmented volume. A t test was ...
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Magnetic Resonance Imaging Findings in Kallmann Syndrome: 14 Cases and Review of the Literature
Conclusions: Kallmann syndrome has distinctive features on MRI. Magnetic resonance imaging may aid in the diagnosis of KS in patients with ambiguous clinical findings. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Interobserver Variation in Cerebellar Tonsillar Tip Localization: Comparison of 3 Different Osseous Landmarks on Magnetic Resonance Imaging
Conclusions: Determination of cerebellar tonsillar position using a C1 arch landmark may be superior to the currently more commonly used FM-based landmark with lesser interobserver variability and higher interobserver correlation. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Do Left- and Right-Handed People Have Similar Iron Deposition in the Basal Ganglia?
This study aimed to investigate whether right-, left-, or mixed-handed people differ in terms of iron deposition using susceptibility weighted imaging in healthy subjects. Materials and Methods: A total of 87 people (right-handed, 51 subjects; left-handed, 19 subjects; mixed-handed, 17 subjects) aged 20 to 40 years participated. All underwent magnetic resonance examination, including conventional and susceptibility weighted imaging sequences. Phase images were used to quantify iron deposition in the head of the caudate nucleus and lenticular nucleus. The radian angle value was calculated and compared between the 3 (right-...
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Magnetic Resonance Imaging of Malformations of Midbrain-Hindbrain
Abstract: We aim to review the magnetic resonance imaging appearance of malformations of midbrain and hindbrain. These can be classified as predominantly cerebellar malformations, combined cerebellar and brain stem malformations, and predominantly brain stem malformations. The diagnostic criteria for the majority of these morphological malformations are based on neuroimaging findings. The predominantly cerebellar malformations include predominantly vermian hypoplasia seen in Dandy-Walker malformation and rhombencephalosynapsis, global cerebellar hypoplasia reported in lissencephaly and microlissencephaly, and unilateral ce...
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Basic Principles and Clinical Applications of Magnetic Resonance Spectroscopy in Neuroradiology
Abstract: Magnetic resonance spectroscopy is a powerful tool to assist daily clinical diagnostics. This review is intended to give an overview on basic principles of the technology, discuss some of its technical aspects, and present typical applications in daily clinical routine in neuroradiology. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - January 1, 2016 Category: Radiology Tags: Neuroradiology Source Type: research

Computed Tomography Number Measurement Consistency Under Different Beam Hardening Conditions: Comparison Between Dual-Energy Spectral Computed Tomography and Conventional Computed Tomography Imaging in Phantom Experiment
Purpose: To compare computed tomography (CT) number measurement consistency under different beam hardening conditions in phantom experiment between dual-energy spectral CT and conventional CT imaging. Materials and Methods: A phantom with 8 cells in periphery region and 1 cell in central region were used. The 8 conditioning tubes in the periphery region were filled with 1 of the 3 iodine solutions to simulate different beam hardening conditions: 0 for no beam hardening (NBH), 20 mg/mL for weak beam hardening (WBH) and 50 mg/mL for severe beam hardening (SBH) condition. Test tube filled with 0, 0.1, 0.5, 1, 2, 5, 10, 20, an...
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Imaging Physics Source Type: research

Material Decomposition in Dual-Energy Computed Tomography Separates High-Z Elements From Iodine, Identifying Potential Contrast Media Tailored for Dual Contrast Medium Examinations
Conclusions: Tantalum, W, and Au are ideal candidates for dual-CM examinations, whereas Bi is a slightly weaker candidate. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Imaging Physics Source Type: research

Preprocedure and Postprocedure Predictive Values of Serum β2-Microglobulin for Contrast-Induced Nephropathy in Patients Undergoing Coronary Computed Tomography Angiography: A Comparison With Creatinine-Based Parameters and Cystatin C
This study aimed to investigate the values of serum β2-microglobulin to predict contrast-induced nephropathy (CIN) before and early after coronary computed tomography angiography (CCTA), comparing with creatinine-based parameters and cystatin C. Methods: A total of 424 patients were enrolled. Serum β2-microglobulin, cystatin C, and creatinine were measured at 0, 24, and 48 hours of CCTA. Contrast-induced nephropathy was defined as an elevation of serum creatinine level by 25% or higher or 0.5 mg/dL or greater from baseline within 48 hours. The estimated glomerular filtration rate (eGFR) was calculated by the Modi...
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Cardiothoracic and Vascular Imaging Source Type: research

Delivering the Saline Chaser Via a Spiral Flow-Generating Tube Improves Arterial Enhancement for Computed Tomography Angiography of the Lower Extremities
Conclusions: Use of the spiral flow-generating tube increased the effect of the saline chaser and significantly improved arterial enhancement from the abdominal aorta to the arteries of the foot at CTA of the lower extremities. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Cardiothoracic and Vascular Imaging Source Type: research

Differential Chest Computed Tomography Findings of Pulmonary Parasite Infestation Between the Paragonimiasis and Nonparagonimiatic Parasite Infestation
Conclusions: The presence of internal low attenuation and perilesional centrilobular nodules associated with pulmonary consolidative lesions, along with cavitary lesions and worm-migration tracts, is more frequent in patients with paragonimiasis than in patients with NPPI. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Cardiothoracic and Vascular Imaging Source Type: research

Distribution and Clinical Significance of High Signal Intensity of the Myocardium on T2-Weighted Images in 2 Phenotypes of Hypertrophic Cardiomyopathy
Conclusions: High signal intensity of the myocardium on T2-weighted images often locates outside LGE and reflects myocardial damage, which is related to syncope in ASH. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Cardiothoracic and Vascular Imaging Source Type: research

Superolateral Hoffa’s Fat Pad Edema in Collegiate Volleyball Players
Objective: Superolateral Hoffa's fat pad (SHFP) edema is a previously described magnetic resonance (MR) finding located between the patellar tendon and the lateral femoral condyle. The purpose of our study was to determine the prevalence and clinical significance of SHFP edema in female collegiate volleyball players. Materials and Methods: Sixteen female collegiate volleyball players were consented for bilateral knee evaluations which consisted of history, physical examination and MR imaging. Each MR study was reviewed for the presence of SHFP edema, and 6 patellar maltracking measurements were done. These were tibial tube...
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Musculoskeletal Radiology Source Type: research

High-Resolution Qualitative and Quantitative Magnetic Resonance Evaluation of the Glenoid Labrum
This study aimed to implement qualitative and quantitative magnetic resonance sequences for the evaluation of labral pathology. Methods: Six glenoid labra were dissected, and the anterior and posterior portions were divided into normal, mildly degenerated, or severely degenerated groups using gross and magnetic resonance findings. Qualitative evaluation was performed using T1-weighted, proton density-weighted, spoiled gradient echo and ultrashort echo time (UTE) sequences. Quantitative evaluation included T2 and T1rho measurements as well as T1, T2*, and T1rho measurements acquired with UTE techniques. Results: Spoiled gra...
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Musculoskeletal Radiology Source Type: research

Dual-Energy Computed Tomography—How Accurate Is Gemstone Spectrum Imaging Metal Artefact Reduction? Its Application to Orthopedic Metal Implants
Conclusions: Although metal artefact reduction using GSI DECT looks superior to conventional CT, when measured objectively, it was shown to overestimate geometries and skew dimensions. The GSI DECT with MARS should be used with caution, especially when assessing questions of implant shape or wear. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Musculoskeletal Radiology Source Type: research

Ovarian Torsion: Multimodality Review of Imaging Characteristics
We present a case of ovarian torsion in pregnancy with demonstration of vascular flow on sequential Doppler ultrasonography. Magnetic resonance imaging demonstrated ovarian enlargement and edema. Mild symptoms and low clinical suspicion, in addition to risks associated with pregnancy prevented early laparoscopic examination, though torsion was considered. Progressive ovarian enlargement supported surgical intervention, which confirmed the presence of torsion. This case report reviews multimodality imaging characteristics of ovarian torsion, re-emphasizing the significance of ovarian morphology. (Source: Journal of Computer...
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Abdominal Radiology Source Type: research

Aggressive Angiomyxoma: Imaging Findings in 3 Cases With Clinicopathological Correlation and Review of the Literature
We present 3 cases of aggressive angiomyxoma with clinicopathological correlation and describe their main imaging features with emphasis on magnetic resonance imaging, adding useful information about their behavior on dynamic contrast-enhanced sequences and diffusion-weighted imaging and including a comprehensive review of the existing literature. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Abdominal Radiology Source Type: research

Quantitative and Qualitative Comparison of Single-Source Dual-Energy Computed Tomography and 120-kVp Computed Tomography for the Assessment of Pancreatic Ductal Adenocarcinoma
Purpose: The aim of this study was to compare contrast-to-noise ratio (CNR) and signal-to-noise ratio (SNR) between pancreatic-phase dual-energy computed tomography (DECT) and 120-kVp CT for pancreatic ductal adenocarcinoma (PDA). Materials and Methods: Seventy-eight patients underwent multiphasic pancreatic imaging protocols for PDA (40, DECT; 38, 120-kVp CT [control]). Using pancreatic phase, CNR and SNR for PDA were obtained for DECT at monochromatic energies 50 through 80 keV, iodine material density images, and 120-kVp images. Using a 5-point scale (1, excellent; 5, markedly limited), images were qualitatively assesse...
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Abdominal Radiology Source Type: research

Does the Degree of Perihepatitis Have Any Relevance to the Severity of the Manifestations of Pelvic Inflammatory Disease on Multidetector Computed Tomography?
This study aimed to evaluate the relationship between the degree of perihepatitis and the severity of pelvic inflammatory disease (PID) on multidetector computed tomography (MDCT). Methods: A total of 177 women with PID who underwent biphasic abdominal computed tomography (CT) scans were enrolled. Two reviewers retrospectively reviewed the CT scans with consensus and subjectively categorized the severity of PID into 4 grades (normal, mild, moderate, and severe). Another reviewer independently assigned the extent (grades 0 to 4) and the depth (grades 0 to 4) of hepatic surface enhancement in terms of the degree of perihepat...
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Abdominal Radiology Source Type: research

Utility of Magnetic Resonance Imaging in the Evaluation of Intraoperatively Confirmed Pelvic Adhesions
Conclusions: Magnetic resonance imaging is very specific in the evaluation of pelvic adhesions. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Abdominal Radiology Source Type: research

Peripheral Restricted Diffusion: A Common Appearance of Hepatic Abscesses
Conclusions: Liver abscesses have a much more variable appearance than previously described, with both central and peripheral diffusion restriction patterns observed frequently. Given this variability, caution should be exercised in differentiating abscess from neoplasm because the appearance may overlap. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Abdominal Radiology Source Type: research

A Comparison of Different Methods to Generate Tooth Surface Models Without Applying Ionizing Radiation for Digital 3-Dimensional Image Fusion With Magnetic Resonance Imaging–Based Data of the Head and Neck Region
Conclusions: The digital 3-dimensional image fusion of dental impression and MRI resulted in a virtual model of the vocal tract and teeth with a high clinical accuracy without applying ionizing radiation. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Neuroradiology Source Type: research

Continuous Versus Sequential Acquisition Head Computed Tomography: A Phantom and Clinical Image Quality Comparative Study
Conclusions: Head CT image quality for sequential and continuous techniques are virtually equivalent. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Neuroradiology Source Type: research

Abnormal Baseline Brain Activity in Patients With Multiple Sclerosis With Simple Spinal Cord Involvement Detected by Resting-State Functional Magnetic Resonance Imaging
Conclusions: Abnormal regional brain activity was detected in patients with MS-SSCI, which is probably due to spinal cord damage or potential brain damage. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Neuroradiology Source Type: research

Magnetic Resonance Imaging Features of Schwannoma of the Sinonasal Tract
Conclusions: A well-circumscribed mass displaying T2 intermediate signal intensity, marked enhancement, and type I TIC, with cystic changes, strongly suggests the diagnosis of sinonasal schwannoma. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Neuroradiology Source Type: research

Semiquantitative and Quantitative Analyses of Dynamic Contrast-Enhanced Magnetic Resonance Imaging of Thyroid Nodules
Conclusions: Dynamic contrast-enhanced MRI pattern of kinetics was not significantly different for benign and malignant lesions of the thyroid using quantitative or semiquantitative methods. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Neuroradiology Source Type: research

Dynamic Susceptibility Contrast Perfusion-Weighted Magnetic Resonance Imaging and Diffusion-Weighted Magnetic Resonance Imaging in Differentiating Recurrent Head and Neck Cancer From Postradiation Changes
Conclusions: Combined ADC and DSC% are noninvasive imaging parameters that can play a role in the differentiation of recurrent head and neck cancer from postradiation changes. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Neuroradiology Source Type: research

Quantitative Evaluation of Noncontrast Computed Tomography of the Head for Assessment of Anemia
Conclusions: Our study substantiates direct positive correlation between CT attenuation of dural venous sinuses and hemoglobin/hematocrit, with strongest correlation at the confluence of sinuses with good sensitivity, specificity, and negative predictive value. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Neuroradiology Source Type: research

Ossification of the Posterior Longitudinal Ligament: Imaging Findings in the Era of Cross-Sectional Imaging
Abstract: Imaging appearance and classification systems of ossification of the posterior longitudinal ligament (OPLL) on computed tomography and magnetic resonance imaging will be reviewed. Computed tomography evaluation most accurately demonstrates OPLL length and thickness, whereas magnetic resonance imaging has the advantage of demonstrating abnormal signal in the cord. Neurologic symptoms are most common in the cervical spine and are related to the degree of spinal stenosis and presence of cord edema. Surgical treatment usually involves cases of cervical OPLL and includes anterior or posterior decompression. (Source: J...
Source: Journal of Computer Assisted Tomography - November 1, 2015 Category: Radiology Tags: Neuroradiology Source Type: research