April 22nd 2025
For elderly patients with lung cancer, a preoperative CT-based coronary artery calcium score > 40 was associated with a 53 percent higher risk of all-cause mortality after surgery, according to new study findings.
CMS Approves NTAP Reimbursement for CT-Based AI Triage Software for Obstructive Hydrocephalus
August 2nd 2024The first radiology triage modality to garner a Breakthrough Device Designation from the FDA, Annalise-Obstructive Hydrocephalus has reported sensitivity and specificity rates of 97.5 percent and 95.3 percent respectively.
Current Concepts in Preventing and Managing Contrast Media Extravasation
August 1st 2024While contrast media extravasation is a rare complication, there can be varying degrees of severity. Accordingly, this author reviews possible causes of this complication, prevention principles and pertinent considerations in addressing this complication when it does occur.
Interventional Radiology-Led Study Shows Benefits of CT-Guided Cryoablation for Soft Tissue Sarcoma
August 1st 2024In a study involving 217 percutaneous cryoablation procedures for treating recurrent or metastatic soft tissue sarcoma in 141 patients, researchers noted an 86 percent rate of local progression-free survival and a 2 percent complication rate.
Study: Photon Counting CT Reduces Radiation Exposure by 44 Percent for Kidney Stone Detection
July 31st 2024New research shows that photon-counting computed tomography (PCCT) at an effective dose of 0.79 mSv provided significantly higher signal-to-noise ratios for urinary calculi (kidney stone) detection than energy-integrating detector CT at 1.39 mSv.
CT-Based Radiomic Model Shows Promise for Pre-Op Staging of Clear Cell Renal Cell Carcinoma
July 27th 2024An emerging diagnostic model incorporating radiomic features from intratumoral and peritumoral regions exhibited a 29 percent higher AUC and 77 percent higher sensitivity rate than a clinical model for predicting the grading of clear cell renal cell carcinoma, according to recent research.
Can Polyenergetic Reconstruction Help Resolve Streak Artifacts in Photon Counting CT?
July 22nd 2024New research looking at photon-counting computed tomography (PCCT) demonstrated significantly reduced variation and tracheal air density attenuation with polyenergetic reconstruction in contrast to monoenergetic reconstruction on chest CT.
Systematic Review: PET/MRI May be More Advantageous than PET/CT in Cancer Imaging
July 18th 2024While PET/MRI and PET/CT had comparable sensitivity for patient-level regional nodal metastases and lesion-level recurrence, the authors of a systematic review noted that PET/MRI had significantly higher accuracy in breast cancer and colorectal cancer staging.
FDA Clears Enhanced Mobile CT System with High-Resolution Photon-Counting Technology
July 15th 2024Photon-counting CT-optimized features with the OmniTom Elite system include 30 cm field of view scanning, continuous spiral scanning, and an ultra-high-resolution capability of 0.141 mm resolution.
Can a Dual-Energy CT Model Bolster Breast Cancer Detection?
July 12th 2024Incorporating age, lesion shape and effective atomic number in the venous phase of dual-energy CT (DECT), an emerging model demonstrated a 79.1 percent AUC for differentiating between malignant and benign breast lesions.
A Victory for Radiology: New CMS Proposal Would Provide Coverage of CT Colonography in 2025
July 12th 2024In newly issued proposals addressing changes to coverage for Medicare services in 2025, the Centers for Medicare and Medicaid Services (CMS) announced its intent to provide coverage of computed tomography colonography (CTC) for Medicare beneficiaries in 2025.
Can Photon-Counting CT Provide Superior Lung Perfusion Imaging Over Dual-Energy CT?
July 8th 2024Photon-counting CT enables enhanced fissure visualization and a lower degree of cardiac motion artifacts for lung perfusion imaging at a significantly reduced scan time in contrast to dual-energy CT, according to new research findings.
Adjunctive AI Leads to 16 Percent Increase in CT Sensitivity for Incidental Pulmonary Embolism
June 20th 2024Artificial intelligence facilitated a 96.2 percent sensitivity rate for incidental pulmonary embolism (IPE) on contrast-enhanced CT chest or abdomen exams, according to new prospective research involving over 4,300 patients.
Nanox Adds AI Applications to Teleradiology Platform for CT Second Opinions
Published: June 7th 2024 | Updated: June 7th 2024Facilitating additional consultation on chest and abdominal CT scans, the Second Opinions teleradiology platform now features FDA-cleared AI tools for cardiac, bone and liver assessments.
Large CT Study Shows Benefits of AI in Predicting CV Risks in Patients Without Obstructive CAD
June 3rd 2024An AI algorithm that incorporates scoring of coronary inflammation based on coronary CT angiography (CCTA) may enhance long-term cardiovascular risk stratification beyond conventional risk factor and imaging assessments, even in patients without obstructive CAD.