RadLogics announces new sites for COVID-19 software

AuntMinnie.com staff writers

Apr 20, 2020

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Software developer RadLogics has announced new installations around the world of its artificial intelligence (AI) software for analyzing chest CT images from patients suspected of having the COVID-19 respiratory disease.

The company's software has been installed at hospitals in China, Italy, Serbia, Brazil, and Russia. The application analyzes thoracic CT images and provides a "corona score" that gives clinicians an automated measurement of the extent of disease in patients with COVID-19, allowing caregivers to better direct patient treatment.

The software can be installed both on-premise at a hospital facility or in the cloud via Amazon Web Services.

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Axial images from unenhanced calcium score cardiac CT (left) and curved planar reformation images from CT angiography (right) show that higher long-term exposure to air pollution is associated with greater coronary artery calcium and more obstructive coronary artery disease (CAD). Top row: Images in a 68-year-old male patient with higher 10-year mean ambient air pollution exposure (7.9 μg/m3 for particulate matter measuring ≤2.5 μm in diameter [PM2.5] and 17.4 parts per billion [ppb] for NO2) with extensive CAD (coronary artery calcium score [CACS] >1,000 and obstructive CAD [≥70% diameter stenosis]). Bottom row: Images in a 57-year-old female patient with lower 10-year mean ambient air pollution exposure (6.3 μg/m3 for PM2.5 and 4.6 ppb for NO2) with no CAD (CACS = 0 and no obstructive stenosis).

Air pollution tied to worse coronary disease on CT, especially in women

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New CPT codes established for biomechanical CT

By AuntMinnie.com staff writers

Coverage implementation begins October 5, 2026, and is retroactively effective to January 1, 2024.

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Air pollution tied to worse coronary disease on CT, especially in women

By Kate Madden Yee

The strongest effects of pollution exposure is seen in women, even at moderate levels typical of high-income countries.

June 9, 2026

Axial images from unenhanced calcium score cardiac CT (left) and curved planar reformation images from CT angiography (right) show that higher long-term exposure to air pollution is associated with greater coronary artery calcium and more obstructive coronary artery disease (CAD). Top row: Images in a 68-year-old male patient with higher 10-year mean ambient air pollution exposure (7.9 μg/m3 for particulate matter measuring ≤2.5 μm in diameter [PM2.5] and 17.4 parts per billion [ppb] for NO2) with extensive CAD (coronary artery calcium score [CACS] >1,000 and obstructive CAD [≥70% diameter stenosis]). Bottom row: Images in a 57-year-old female patient with lower 10-year mean ambient air pollution exposure (6.3 μg/m3 for PM2.5 and 4.6 ppb for NO2) with no CAD (CACS = 0 and no obstructive stenosis).

Memorial Sloan Kettering sues GE HealthCare over PET/CT patents

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The cancer center claims GE HealthCare's MotionFree technology was invented by a physicist at the institution.

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SCCT, SCAI publish fractional flow reserve in CCTA guideline

By AuntMinnie.com staff writers

The document was crafted by a team from King's College London in the U.K.

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SCCT, SCAI release consensus document on FFR-CT for coronary disease

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The SCCT and the SCAI have published an expert consensus document on the use of FFR-CT.

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The finding suggests the models offer “a potential role as adjunctive tools for ruling out malignancy” rather than classifying it.

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Adipose tissue measured on CT scans taken years before the COVID-19 pandemic predicted hospitalization and death from SARS-CoV-2.

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CT collateral status may predict outcomes in stroke patients

The findings have implications for future research to determine which stroke patients with medium-vessel occlusion benefit from EVT.

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Exemplary cases from the ESCAPE-MeVO trial illustrating good, moderate, and poor collateral status at baseline multiphase CT angiography (CTA). (A) Sagittal image shows a left anterior middle cerebral artery medium-vessel occlusion (MeVO) with a calcified thrombus (arrow). (B–D) Axial images show the (B) arterial, (C) peak venous, and (D) delayed venous phases of the baseline multiphase CTA examination. The affected brain parenchyma is highlighted by the dashed outline. The collateral status is good, with early filling of more than 50% of the leptomeningeal collaterals compared with the contralateral side in the arterial phase (B), and there is no delayed washout in the peak venous (C) or delayed venous phase (D). (E) Sagittal image shows a left anterior middle cerebral artery MeVO (arrow). (F–H) Axial images show the (F) arterial, (G) peak venous, and (H) delayed venous phases of the baseline multiphase CTA examination. The affected brain parenchyma is highlighted by the dashed outline. The collateral status is moderate (more than 25% but less than 50% filling of the leptomeningeal collaterals in the affected territory compared with the contralateral side) on the arterial (F) and peak venous (G) phase, and there is delayed washout in the late venous phase (H). (I) Sagittal image shows a posterior dominant middle cerebral artery MeVO (arrow). (J–L) Axial images show the (J) arterial, (K) peak venous, and (L) delayed venous phases of the baseline multiphase CTA examination. The affected brain parenchyma is highlighted by the dashed outline. The collateral status is poor, with almost no collateral filling.

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GEHC, UW Medicine Radiology launch imaging collaboration

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Study findings highlight the continued central role of radiologists for this indication.

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Case example of a false-negative AI result. An 85-year-old female presented to the emergency department with dyspnea. Axial 0.625-mm from CT pulmonary angiography examination with contrast (CTPA) images demonstrate a thin, linear right-sided filling defect extending from the right interlobar pulmonary artery (A and B, red arrows) into the right middle lobar artery (B, yellow arrow), consistent with acute pulmonary embolism (PE). The finding was described in the radiology report; however, the AI result was negative for PE. Adjudication was consistent with acute PE.

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