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Prognostic Value of Coronary Artery Disease–Reporting and Data System Score for Major Adverse Cardiac Events in Patients Attending the Emergency Department With Acute Chest Pain
This study aimed to compare the prognostic performance of Coronary Artery Disease (CAD)–Reporting and Data System (CAD-RADS) score with those of clinical risk factors and the extent of CAD classification for predicting major adverse cardiac events in emergency department patients. Methods A total of 779 patients with acute chest pain at low to intermediate risk for CAD underwent cardiac computed tomography angiography. The primary end point was early and late major adverse cardiac events. We developed the following models: model 1, clinical risk factors; model 2, clinical risk factors and CAD-RADS scores; model 3,...
Source: Journal of Computer Assisted Tomography - May 1, 2021 Category: Radiology Tags: Cardiovascular: Cardiac Source Type: research

Utilization of Coronary Artery Disease Reporting and Data System: A Survey of Cardiovascular Imaging Societies
Conclusions Four years after the introduction of CAD-RADS, the reporting system is used by less than half of surveyed members of North American Society for Cardiovascular Imaging and Society for Cardiovascular Computed Tomography regardless of practice model and range of practice experience with cardiac computed tomography. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - May 1, 2021 Category: Radiology Tags: Cardiovascular: Cardiac Source Type: research

Initial Experience With Diffusion-Weighted Magnetic Resonance Imaging for the Evaluation of Endometrial Fibrosis
This study aimed to determine the feasibility of diffusion-weighted imaging for detecting endometrial fibrosis in patients with intrauterine injury. Methods This prospective study included 34 patients with endometrial fibrosis and 34 healthy controls. All participants underwent T2-weighted and diffusion-weighted magnetic resonance imaging with b values of 0 and 1000 s/mm2 during the periovulatory phase with a dominant follicle. The endometrial apparent diffusion coefficient (ADC) and uterine anatomical parameters (endometrial thickness [EMT], length of the uterine cavity [LUC], and junctional zone thickness [JZT]) w...
Source: Journal of Computer Assisted Tomography - May 1, 2021 Category: Radiology Tags: Abdominopelvic Imaging: Gynecologic Source Type: research

Magnetic Resonance Imaging Evaluation of Ectopic Pregnancy: A Value-Added Review
Ectopic pregnancy (EP) is a known cause of maternal mortality and may be misdiagnosed in up to 50% of pregnant female individuals (Ann Emerg Med. 1996;28(1):10–17). Magnetic resonance imaging, with its superior soft tissue resolution, is a valuable alternative diagnostic modality to diagnose EP when transvaginal ultrasound results are inconclusive. Although an extrauterine gestational sac is the most specific finding, there are other key MRI findings that can aid in diagnosing EP. As availability of MRI access in the emergency department setting increases across the nation, its utility in women with a positive pregnancy ...
Source: Journal of Computer Assisted Tomography - May 1, 2021 Category: Radiology Tags: Abdominopelvic Imaging: Gynecologic Source Type: research

Modified Reduced Field-of-View Diffusion-Weighted Magnetic Resonance Imaging of the Prostate: Comparison With Reduced Field-of-View Imaging and Single Shot Echo-Planar Imaging
The objective of this study was to compare the image quality and apparent diffusion coefficient (ADC) of diffusion-weighted imaging (DWI) with modified reduced field of view (FOV) based on 2-dimensional (2D)-selective radiofrequency excitations by tilting the excitation plane in prostate with reduced FOV using parallel-transmit-accelerated 2D-selective radiofrequency excitation and single-shot echo planar imaging (ssEPI). Methods Fifty patients who underwent multiparametric magnetic resonance imaging including 3 DWIs were included. Two observers independently performed qualitative image analyses using 5-point scale....
Source: Journal of Computer Assisted Tomography - May 1, 2021 Category: Radiology Tags: Abdominopelvic Imaging: Genitourinary Source Type: research

Utility of Radial Scanning for the Identification of Arterial Hypervascularity of Hepatocellular Carcinoma on Gadoxetic Acid–Enhanced Magnetic Resonance Images
Conclusions For the assessment of HCC vascularity, EOB-enhanced MRI scans acquired with radial sampling were more accurate than dynamic CT images. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - May 1, 2021 Category: Radiology Tags: Abdominopelvic Imaging: Gastrointestinal Source Type: research

COVID-19: Abdominal and Pelvic Imaging Findings: A Primer for Radiologists
The COVID-19 pandemic presents an ongoing global health threat. The SARS-CoV-2 is known to cause substantial pulmonary disease, and most of the current radiological publications are dedicated to describing and characterizing these findings. However, studies regarding imaging findings in the abdomen and pelvis of infected patients are still very limited. The aim of this review is to discuss the most frequent abdominal manifestations based on the current literature and representative images from our local experience. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - May 1, 2021 Category: Radiology Tags: Abdominopelvic Imaging: Gastrointestinal Source Type: research

Current Status of Radiomics and Deep Learning in Liver Imaging
This article reviews the current status of artificial intelligence in liver imaging and reviews the opportunities and challenges in clinical implementation. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - May 1, 2021 Category: Radiology Tags: Abdominopelvic Imaging: Gastrointestinal Source Type: research

The Efficacy of Chest Computed Tomography in Pediatric Patients With Suspected COVID-19
Conclusions Because the sensitivity of CT in the pediatric age group is low, it should be used cautiously for the evaluation of COVID-19 in the pediatric age group. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - March 1, 2021 Category: Radiology Tags: Thoracic Imaging Source Type: research

NUT Midline Carcinoma of the Lung: Computed Tomography Findings in 10 Patients
Conclusions Pulmonary NUT carcinoma presented as a peripheral or a central lung mass showing mild degree of contrast enhancement, frequent metastatic regional lymphadenopathy, affecting relatively young adults. Although known to be highly aggressive, an early diagnosis in low TNM stages can lead to a favorable prognosis. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - March 1, 2021 Category: Radiology Tags: Thoracic Imaging Source Type: research

Predicting Lymph Node Metastasis Using Computed Tomography Radiomics Analysis in Patients With Resectable Esophageal Squamous Cell Carcinoma
Conclusions A venous computed tomography radiomic model based on the PT, LSLN, and IT radiomic features represents a novel noninvasive tool for prediction LN metastasis in ESCC. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - March 1, 2021 Category: Radiology Tags: Thoracic Imaging Source Type: research

Use of a Dual Artificial Intelligence Platform to Detect Unreported Lung Nodules
Conclusions Dual-AI platform detected actionable unreported nodules in 2.8% of chest CT scans, yet minimized intrusion to radiologist's workflow by avoiding alerts for most already-reported nodules. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - March 1, 2021 Category: Radiology Tags: Thoracic Imaging Source Type: research

Persistent Primitive Olfactory Artery: Three Cases
We present 3 cases illustrating this entity, which were incidentally diagnosed while imaging for other indications. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - March 1, 2021 Category: Radiology Tags: Neuroimaging: Head and Neck Source Type: research

Forward-projected Model-based Iterative Reconstruction SoluTion in Temporal Bone Computed Tomography: A Comparison Study of All Reconstruction Modes
Conclusions Modes providing higher spatial resolution and lower noise reduction showed an improved visual assessment of CT images reconstructed with FIRST. (Source: Journal of Computer Assisted Tomography)
Source: Journal of Computer Assisted Tomography - March 1, 2021 Category: Radiology Tags: Neuroimaging: Head and Neck Source Type: research

Magnetic Resonance Features of Lower-grade Gliomas in Prediction of the Reverse Phase Protein A
In this study, we aimed to explore the relationships between magnetic resonance features and reverse phase protein array (RPPA) subtypes (R1–R4). Methods Survival estimates for the Cancer Genome Atlas cohort were generated using the Kaplan-Meier method and time-dependent receiver operating characteristic curves. A total of 153 patients with LGG with brain magnetic resonance imaging from The Cancer Imaging Archive were retrospectively analyzed. Least absolute shrinkage and selection operator algorithm was used to reduce the feature dimensions of the RPPA3 subtype. Results A total of 51 (33.3%) RPPA1 subtype,...
Source: Journal of Computer Assisted Tomography - March 1, 2021 Category: Radiology Tags: Neuroimaging: Brain Source Type: research