by Christos Evangelou, MSc, PhD – Medical Writer and Editor In a recent study, researchers at Jichi Medical University and Jichi Children’s Medical Center in Japan uncovered new diagnostic clues for distinguishing between two rare but aggressive ovarian tumors: ovarian carcinosarcoma and ovarian metastases from colorectal carcinoma (OMCRC). This study demonstrates that although both tumor types frequently exhibit the “Mille-Feuille sign” on MRI, a combination of other imaging features and seru…
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Disease progression and plaque composition in patients with non-obstructive coronary artery disease (THRONE): A coronary computed tomography angiography follow-up study
Fractional flow reserve (FFR)-negative coronary lesions are usually managed medically. Lesion-specific plaque characterization and FFR changes over time remain elusive.
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Calcium-phosphate dynamics in vascular calcification: Pathways and implications
The implications of calcium-phosphate metabolism in vascular calcification and related cardiovascular risk are complex and remains poorly understood. A deranged calcium-phosphate metabolism is often described as a non-traditional cardiovascular risk factor in chronic kidney disease (CKD), and more recently in patients without advanced CKD.1 Notably, Mendelian randomization studies have described a causal relationship between serum phosphate and coronary artery calcification without hyperphosphat…
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Introduction to the Focus Issue on the Economics of Education
We are grateful for the opportunity to present this unique JACR Focus Issue on the Economics of Education. As the demands for radiologists across all practice types increase, the growing pressure to provide high-quality, high-volume care often competes with the necessity of training competent future radiologists. With limited time, funding, and institutional support, it is crucial to explore the extent of this topic while studying ways to effectively and practically develop solutions to mitigate…
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When imaging phase shapes physiology: A commentary on CFD fidelity in multiphase CCTA
We read with interest the article by Zheng et al. who evaluated the influence of cardiac phase selection on coronary geometry and Coronary Computed Tomography Angiography based computational fluid dynamics (CFD) outputs in normal and anomalous anatomies.1 Their findings highlight substantial phase-dependent variability in luminal area, wall shear stress derived metrics, and CT-FFR, underscoring an important but often overlooked source of analytic heterogeneity. While the study contributes valuab…