Marc Kohli, MD

CT
How to comply with CMS's CT radiation dose measure
Inconsistency in CT radiation doses represents a modifiable health risk, and doses can be standardized through auditing and feedback to hospitals and physicians.
June 27, 2024
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Can use of other cancer screening tests boost uptake of LCS?
Could the use of preventive health tests such as breast and colorectal cancer screening boost uptake of lung cancer screening (LCS) with low-dose CT?
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MRI
Resting-state fMRI analysis reveals impact of blast exposures
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MRI
MRI radiomics model predicts risk in women with DCIS
Morgan Snow, MD, explains her team's results showing how while radiology is still the dominating specialty in providing gynecologic ultrasound services, ob/gyns are gaining ground.
Ultrasound
AIUM: Ob/gyn gaining ground on radiology in gynecologic ultrasound
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Can use of other cancer screening tests boost uptake of LCS?
By Kate Madden Yee
Could the use of preventive health tests such as breast and colorectal cancer screening boost uptake of lung cancer screening (LCS) with low-dose CT?
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AI identifies women at higher risk of MACE
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An AI tool designed for coronary CT angiography can identify women at high risk for major adverse cardiovascular events (MACE).
March 31, 2025
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CAC score of 0 indicate low heart event risk, even in older people
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PET/CT imaging indicates that a coronary artery calcium (CAC) score of 0 is an accurate indicator of low coronary heart event risk even as a person ages, investigators have reported.
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Thoracic aortic calcification data could help predict CAC risk
By Kate Madden Yee
Adding thoracic aortic calcification data to coronary artery calcification (CAC) models shows promise as a risk prediction biomarker for CAC in asymptomatic patients undergoing chest CT.
March 27, 2025
Representative examples of visual TAC categories, assessed on chest CT in asymptomatic individuals undergoing general health screening (blue indicates segmented TAC at level of aortic arch). Axial (A) and sagittal volume-rendered (B) images in 42-year-old patient. AI-based quantification yielded TAC volume of 101 mm3 and TAC Agatston score of 105. Examination was assessed as showing visually mild TAC. Axial (C) and sagittal volume-rendered (D) images in 57-year-old patient. AI-based quantification yielded TAC volume of 834 mm3 and TAC Agatston score of 993. Examination was assessed as showing visually moderate TAC. Axial (E) and sagittal volume-rendered (F) images in 65-year-old patient. AI-based quantification yielded TAC volume of 4872 mm3 and TAC Agatston score of 5848. Examination was assessed as showing visually severe TAC. Images and caption courtesy of the AJR.
Nociceptive responses to contrast CT aren't necessarily pathology
By Kate Madden Yee
Nociceptive responses to contrast CT imaging such as intense warmth, urinary urgency, a metallic taste, dry mouth, and mild discomfort or pain aren't necessarily indicators of adverse contrast reactions.
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Contrast Injector
CT reveals autoimmune features linked to indeterminate pneumonia
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CT sheds light on autoimmune features associated with idiopathic pulmonary fibrosis and usual interstitial pneumonia.
March 25, 2025
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AAPM: CMS measure for reporting CT radiation dose riddled with 'ambiguities'
By Kate Madden Yee
Radiation dose and image quality performance measures for CT imaging accepted by the U.S. Centers for Medicare and Medicaid Services (CMS) in 2023 are "ambiguous" and need to be reconsidered, according to the AAPM.
March 25, 2025
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2021 LCS guidelines increased uptake, but disparities persist
By Kate Madden Yee
Updated guidelines for lung cancer screening from the USPSTF in 2021 increased adherence, but disparities persist among particular patient populations.
March 20, 2025
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Adherence to LCS decreases after baseline screening
By Kate Madden Yee
Adherence to lung cancer screening (LCS) with low-dose CT (LDCT) decreases after baseline imaging, according to a new study.
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PCCT proves effective for estimating liver fat fraction
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Photon-counting CT (PCCT) is effective and accurate for estimating liver fat fraction.
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Ultralow-dose CT identifies pneumonia in immunocompromised patients
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Ultralow-dose CT images "denoised" by an AI algorithm can effectively diagnose pneumonia in patients with weakened immune systems.
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CTC for colorectal cancer screening is at an 'inflection point'
By Kate Madden Yee
The use of CT colonography (CTC) for colorectal cancer screening is at an "inflection point" after its Medicare reimbursement approval in 2024
March 12, 2025
Colon
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