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CT: Page 25

LI-RADS shows low NPV in per-patient liver tumor assessment
By Amerigo Allegretto
Per-patient grouping for liver tumor status based on LI-RADS and treatment response shows low NPV in detecting residual or untreated tumors.
December 20, 2023
Images in a 55-year-old patient show hepatitis C-related cirrhosis and a transjugular intrahepatic portosystemic shunt (dashed arrow), with an undiagnosed tumor (dashed circle) at pretransplant imaging by both readers. Left: Noncontrast-enhanced axial CT image with a treated observation (dashed circles on the left, middle, and right images) and dense lipiodol staining (arrows) in the anterior right liver. Middle: Late arterial phase CT image with no appreciable enhancement. Right: Delayed phase image with no appreciable washout. The lesion was deemed at explant pathology to have 20% necrosis. Image courtesy of RSNA.
Koning to expand breast CT device installations in 2024
By AuntMinnie.com staff writers
Koning Health has finalized a deal with venture firm Gentle Scan Health to support the installation of 20 of its Vera Breast CT devices across the U.S. in 2024.
December 19, 2023
An illustration of a patient positioned on a Koning Vera Breast CT scanner. Image courtesy of Koning Health.
At least 15% of surgeries after LCS are performed on benign lesions
By Kate Madden Yee
At least 15% of surgeries patients undergo after lung cancer screening are performed on benign lesions, according to an RSNA 2023 presentation.
December 7, 2023
Lung Ct Images 400
New rule helps determine which adults who have fallen need CT imaging
By AuntMinnie.com staff writers
New research offers a framework for determining whether older adults who have fallen need CT imaging.
December 4, 2023
Patient Elderly Holding Hand Social
Radiologists are reading more cardiac CT exams, but not cardiac MRI
By Kate Madden Yee
Radiologists are reading more cardiac CT exams, but not cardiac MRI, according to research presented November 29 at the RSNA meeting.
December 4, 2023
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PCCT visualizes pulmonary embolism at reduced radiation dose
By Kate Madden Yee
Photon-counting CT (PCCT) effectively visualizes pulmonary embolism and reduces radiation dose by 48% compared with traditional CT.
November 30, 2023
Pulmonary Embolism Illustration V2 400
Mammography screening boosts lung cancer screening uptake
By Kate Madden Yee
Coordinating lung cancer and mammography screening boosts uptake of the former, according to study results delivered November 26 at the RSNA meeting.
November 28, 2023
Cigarette Smoker Black Woman 400
CT reveals marijuana, cigarette smokers at higher risk of emphysema
By Amerigo Allegretto
Chest CT images reveal that cigarette and marijuana smokers are at higher risk of developing emphysema, according to an RSNA 2023 presentation.
November 28, 2023
CT images show airway changes in a 66-year-old male marijuana and tobacco smoker with cylindrical bronchiectasis and bronchial wall thickening (arrowheads) in multiple lung lobes in a background of paraseptal and centrilobular emphysema. Image and caption courtesy of the RSNA.
AI plus CT calculates cardiothoracic ratio for high risk patients
By Liz Carey
Automated heart measurements captured from CT scans can flag people at high risk of major cardiovascular events due to cardiomegaly.
November 27, 2023
Heart Hologram Virtual 400
PCCT bests conventional CT for chest imaging
By Kate Madden Yee
PCCT improves the contrast-to-noise ratio of vascular structures imaged on chest CT when compared with conventional CT and reduces radiation dose.
November 26, 2023
2023 11 26 Mc Cormick Place
CT-guided procedure shows promise for restoring smell after long COVID
By Kate Madden Yee
A CT-guided, minimally invasive procedure called a stellate ganglion block shows promise for restoring the sense of smell in patients suffering with long COVID, according to research to be presented at the upcoming RSNA meeting.
November 20, 2023
CT-guided stellate ganglion injection. Image courtesy of the RSNA.
3D CT reconstruction shows ties to malignant pulmonary nodule growth
By Amerigo Allegretto
3D reconstruction of cardiac CT images could aid in follow-up strategies for pulmonary nodule screening.
November 20, 2023
Ct Scanner 400
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