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CT

Reducing head-neck CTA contrast by 40% saves costs, preserves quality
By Kate Madden Yee
"Standardized contrast dose reduction for [head-neck] CTA is feasible, sustainable, and does not compromise imaging."
May 1, 2026
Contrast Filters
JAMA: LCS uptake increases, but still remains low -- with uneven gains
By Kate Madden Yee
One in four Americans eligible for lung cancer screening (LCS) received it in 2024.
April 30, 2026
Lung Cancer
CT-based nomogram aids in managing advanced ovarian cancer
By Amerigo Allegretto
Researchers have developed a CT-based nomogram that could assist in managing advanced ovarian cancer.
April 29, 2026
Calculation of radiological peritoneal cancer index (rPCI) adapted from Sugarbaker et al (1). (a) Coronal CT showing regions 0–8. Vertical lines are drawn along the right and left midclavicular line and the horizontal lines along the costal margin and the iliac crests. (b) Coronal CT showing regions 9 to 12. The vertical and the horizontal lines are through the umbilicus divide the small bowel and mesentery into proximal and distal jejunal and ileal regions. Images are republished under a Creative Commons license (CC BY 4.0).
4 CT signs help predict ischemia in small bowel obstruction
By Kate Madden Yee
The signs "could be prioritized when interpreting CT examinations in patients with SBO to help guide surgical decision-making."
April 29, 2026
Inflammatory Bowel Crohns
AI algorithm shines in spotting early pancreatic cancer
By Kate Madden Yee
The findings could help shift diagnosis of PDA from late-stage terminal disease to early-stage treatable disease.
April 28, 2026
Pancreas New
HRCT bests chest x-ray when it comes to identifying ILD
By Kate Madden Yee
Why? Because although chest x-ray is often the initial imaging exam for evaluating ILD, subtle findings can be missed.
April 24, 2026
Lung Ct Images
CT reveals new use for Coca-Cola: Dissolving fecalomas
By Kate Madden Yee
CT imaging helped diagnose a large fecaloma and track a patient's response to a Coca-Cola enema to dissolve it.
April 22, 2026
Cola
SCCT names Jonathon Leipsic recipient of 2026 Pioneer Award
By AuntMinnie.com staff writers
The SCCT has named the recipient of the 2026 SCCT Stephan Achenbach Pioneer Award.
April 22, 2026
Trophy Award 400
Philips nets FDA clearance for Rembra CT, radiation therapy systems
By AuntMinnie.com staff writers
Philips has received FDA clearance for its Rembra platform CT and radiation therapy systems.
April 22, 2026
Philips Rembra RT
AI plus CCTA cuts plaque analysis time, predicts cardiac event risk
By Kate Madden Yee
A deep-learning model quantifies coronary plaque volume from coronary CT angiography (CCTA) images.
April 21, 2026
Two representative cases demonstrate the performance of PlaqueSegNet for coronary plaque segmentation. (A–D) Coronary CT angiography (CCTA) and intravascular US (IVUS) images in a 65-year-old male patient with chest pain for two months show plaque. (A) Cross-sectional IVUS image shows a lipid-rich plaque (hypoechoic, arrows). (B) Axial and (C) cross-sectional CCTA images show the same plaque (low-attenuation area, yellow line and arrows) in the proximal left anterior descending artery. (D) PlaqueSegNet segmentation of the noncalcified plaque (yellow shading) and coronary lumen (green shading) in the cross-sectional image. (E–G) CCTA images in a 57-year old female patient with chest pain for three months show multiple plaques. (E) Volume-rendered CCTA image of the coronary tree shows PlaqueSegNet plaque segmentation (yellow) in the right and left coronary arteries. (F, G) PlaqueSegNet segmentation delineates a mixed plaque (yellow shading) and coronary lumen (green shading) in the left main artery and proximal-to-mid left anterior descending artery.
Medtronic completes acquisition of CathWorks
By AuntMinnie.com staff writers
Under terms of the deal, Medtronic acquires CathWorks' FFRangio System.
April 20, 2026
Business Handshake Man
How best to characterize CT lung findings after radiation therapy
By Kate Madden Yee
Serial chest CT is cornerstone of post-RT surveillance, but "accurate interpretation is critical to avoid misdiagnosis."
April 17, 2026
Acute radiation-induced pneumonitis after SBRT (65 Gy, four fractions) in a 53-year-old woman with leiomyosarcoma of the uterus with a left lower lobe metastasis manifesting as a small nodule (not shown). (A) Axial dosimetric reconstruction of a CT image obtained for SBRT planning shows the metastasis receiving the maximal isodose (6500 cGy). (B) Axial CT image obtained 12 months after completion of RT shows focal ground-glass and consolidative opacities confined to the treatment plan (arrow). Note that acute lung injury with SBRT typically manifests later than with conventional RT (i.e., >12 weeks after completion of therapy), and in 25% of patients, the first CT manifestations occur more than one year after completion of RT.
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