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Article
Approaches, advantages, and challenges to photon counting detector and multi-energy CT
Photon counting detector CT (PCD-CT) is the newest major development in CT technology and has been commercially available since 2021. It offers major technological advantages over current standard-of-care ener...
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Article
Protocol optimization for abdominal imaging using photon-counting CT: a consensus of two academic institutions
Photon-counting detector CT (PCD CT) is a promising technology for abdominal imaging due to its ability to provide high spatial and contrast resolution images with reduced patient radiation exposure. However, ...
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Article
First experience of evaluation of the impact of high-matrix size reconstruction in image quality in arterial CT runoff studies of the lower extremities
To determine whether image reconstruction with a higher matrix size improves image quality for lower extremity CTA studies.
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Article
Evaluation of the impact of a novel denoising algorithm on image quality in dual-energy abdominal CT of obese patients
Evaluate a novel algorithm for noise reduction in obese patients using dual-source dual-energy (DE) CT imaging.
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Article
Exploratory analysis of mesenteric-portal axis CT radiomic features for survival prediction of patients with pancreatic ductal adenocarcinoma
To develop and evaluate task-based radiomic features extracted from the mesenteric-portal axis for prediction of survival and response to neoadjuvant therapy in patients with pancreatic ductal adenocarcinoma (...
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Article
Is it possible to use low-dose deep learning reconstruction for the detection of liver metastases on CT routinely?
To compare the image quality and hepatic metastasis detection of low-dose deep learning image reconstruction (DLIR) with full-dose filtered back projection (FBP)/iterative reconstruction (IR).
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Article
Diagnostic performance of single-phase dual-energy CT to differentiate vascular and nonvascular incidental renal lesions on portal venous phase: comparison with CT
To determine whether single-phase dual-energy CT (DECT) differentiates vascular and nonvascular renal lesions in the portal venous phase (PVP). Optimal iodine threshold was determined and compared to Hounsfiel...
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Article
Can procedure time for paracentesis be optimized based on bottle selection?
The purpose of our study was to assess if plastic containers could decrease the overall procedure time for paracentesis relative to more commonly used glass containers.
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Article
Open AccessAutomated coronary calcium scoring using deep learning with multicenter external validation
Coronary artery disease (CAD), the most common manifestation of cardiovascular disease, remains the most common cause of mortality in the United States. Risk assessment is key for primary prevention of coronar...
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Article
How frequently does hepatocellular carcinoma develop in at-risk patients with a negative liver MRI examination with intravenous Gadobenate dimeglumine?
To determine the rate of development of clinically significant liver nodules (LR-4, LR-5, LR-M) after a negative MRI in an HCC screening population.
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Article
Variability of quantitative measurements of metastatic liver lesions: a multi-radiation-dose-level and multi-reader comparison
To evaluate the variability of quantitative measurements of metastatic liver lesions by using a multi-radiation-dose-level and multi-reader comparison.
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Article
CT and MR imaging evaluation of living liver donors
Preoperative cross-sectional imaging evaluation of potential living liver donors allows to exclude donors with an increased risk for morbidity and mortality, and to assure that a suitable graft for the recipie...
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Article
Liver Imaging Reporting and Data System (LI-RADS) v2018: diagnostic value of ancillary features favoring malignancy in hypervascular observations ≥ 10 mm at intermediate (LR-3) and high probability (LR-4) for hepatocellular carcinoma
This study was conducted in order to assess the diagnostic accuracy of LI-RADS v2018 ancillary features (AFs) favoring malignancy applied to LR-3 and LR-4 observations on gadoxetate-enhanced MRI.
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Article
Cost-effectiveness of dual-energy CT versus multiphasic single-energy CT and MRI for characterization of incidental indeterminate renal lesions
To evaluate the cost-effectiveness of DECT versus multiphasic CT and MRI for characterizing small incidentally detected indeterminate renal lesions using a Markov Monte Carlo decision-analytic model.
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Chapter
CT Material Identification
Technical advances in CT imaging have improved ability to discriminate different materials, going beyond the attenuation imaging provided by most current systems. Nowadays, dual-energy CT systems allow for mat...
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Article
Can virtual monochromatic images from dual-energy CT replace low-kVp images for abdominal contrast-enhanced CT in small- and medium-sized patients?
To investigate the image quality and radiation dose of dual-energy computed tomography (DECT) with automatic spectral imaging protocol selection (ASIS) compared with those of low-kVp CT in abdominal multiphase...
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Article
Open AccessProliferative potential and resistance to immune checkpoint blockade in lung cancer patients
Resistance to immune checkpoint inhibitors (ICIs) has been linked to local immunosuppression independent of major ICI targets (e.g., PD-1). Clinical experience with response prediction based on PD-L1 expressio...
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Article
Open AccessNext generation sequencing of PD-L1 for predicting response to immune checkpoint inhibitors
PD-L1 immunohistochemistry (IHC) has been traditionally used for predicting clinical responses to immune checkpoint inhibitors (ICIs). However, there are at least 4 different assays and antibodies used for PD-...
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Chapter
Adrenals
Adrenal masses are often incidentally detected in imaging studies acquired for indications unrelated to suspected adrenal disease (Young Jr 2007). With rising numbers of imaging studies, the incidence of incid...
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Chapter
Kidneys, Ureters, and Bladder
The kidneys are situated in the perirenal space, which is enclosed by the anterior (Gerota) and posterior renal fasciae and located on the posterior abdominal wall on each side of the vertebral column. The kid...
