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AI
Segmed teams with Nvidia and RadImageNet
Artificial intelligence (AI) technology developer Segmed has formed a partnership with Nvidia and AI data provider RadImageNet to produce and commercialize synthetic medical imaging data for research and development.
April 18, 2023
2020 07 28 23 23 5650 Business Hands Cooperation 400
CT
HeartFlow launches RoadMap Analysis software
Cardiovascular artificial intelligence software developer HeartFlow has released its RoadMap software for identifying stenoses in the coronary arteries on CT exams.
April 18, 2023
2020 08 26 18 55 9693 Artery Heart 3 D 400
AI
Qure.ai joins forces with Nuance
Artificial intelligence (AI) software developer Qure.ai has joined Nuance Communication's Nuance Precision Imaging Network.
April 18, 2023
2020 03 04 21 21 6197 Artificial Intelligence Ai Hand 400 20200304215813
CT
Kromek and Analogic collaborate on CT detector technology
Radiation detection technology firm Kromek and Analogic have entered an agreement to develop cadmium-zinc-telluride detectors for photon-counting CT systems.
April 18, 2023
2020 08 20 17 37 8876 Business Handshake Man 400
Nuclear Medicine
Ionetix produces first At-211 radioisotope at new facility
Cyclotron technology developer Ionetix has produced the first batch of therapeutic radioisotope astatine-211 (At-211) at its new alpha isotope manufacturing facility in Lansing, MI.
April 18, 2023
2018 12 11 00 02 7009 Atom Nuclear Lab 400
Image Processing
Astute Imaging expands image-guided therapy platform
Astute Imaging said it has expanded its image-guided therapy platform with the full integration of its core lab imaging services.
April 18, 2023
2020 08 11 23 26 7074 Computer Heart2 400
CT
GE HealthCare closes Imactis purchase
GE HealthCare has closed its acquisition of French computer-assisted interventional radiology firm Imactis.
April 17, 2023
2021 11 30 16 39 4000 Ge Rsna 2021 400
Industry News
RSNA releases report on radiology's role in combatting climate change
The RSNA has released a special report that addresses radiology's role in combatting climate change.
April 17, 2023
2022 11 28 16 17 2543 Rsna 2022 Welcome 400
CT
FDA clears RapidAI's CT imaging stroke assessment software
The U.S. Food and Drug Administration (FDA) has cleared artificial intelligence (AI) software developer RapidAI's CT imaging stroke assessment software.
April 17, 2023
2019 04 04 21 52 2230 Artificial Intelligence Ai Data 400
AI
3M Health to partner with Amazon Web Services
3M Health plans to collaborate with Amazon Web Services on further development of its 3M M*Modal speech recognition software, specifically ramping up its ambient intelligence capability.
April 17, 2023
2021 03 17 23 48 7787 Computer Ai Hud Display 400
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Clinical News
Closer proximity to Missouri's Coldwater Creek tied to cancer risk
People who live or have lived near Coldwater Creek, Missouri, have a higher risk of developing cancer.
Pancreas New
AI
ChatGPT-4 accurately classifies pancreatic cysts on MRI, CT imaging
SCCT President Maros Ferencik, MD, PhD.
CT
Video: SCCT president offers highlights for upcoming meeting
Emphysema progression with hole changes, with holes colored according to their diameter in 2-mm increments. (A) Baseline inspiratory nonenhanced axial CT scans in a 48-year-old man with chronic obstructive pulmonary disease show emphysema holes with hyperexpansion of secondary pulmonary lobules (white arrows) and thin alveolar walls visible in the right upper lobe. This emphysematous lesion is filled with holes of varying sizes. A single large air cyst was observed in the left upper lobe (black arrows), classified as a single emphysema hole of 20 mm or greater (bright green). (B) At six-year follow-up inspiratory nonenhanced axial CT, the holes in the right upper lobe have merged (white arrows), with no visible alveolar septa remaining, resulting in the formation of a large new hole of 20 mm or greater (bright green). Meanwhile, the hole in the left upper lobe also enlarged, merging with adjacent holes (black arrows). The size of other holes in the paramedian left upper lobe decreased.
CT
CT reveals changes in lung holes in emphysema patients
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Is herpes infection protective in early Alzheimer’s disease patients?
By Will Morton
In a recent PET study with “unexpected” results, patients infected with herpes had fewer signs of brain deposits associated with Alzheimer’s disease than uninfected patients.
January 24, 2025
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Triple-negative breast cancers impact female populations differently
By Amerigo Allegretto
Despite overall breast cancer rate increases, women of varying race and ethnicity experience disproportionately higher increases.
January 24, 2025
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What brain mechanisms drive depression in older adults?
By Will Morton
PET has revealed that mechanisms other than amyloid brain deposits may underlie depressive symptoms in people later in life.
January 23, 2025
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MR spectroscopy reveals neurochemical patterns linked to COVID-19
By Kate Madden Yee
Proton MR spectroscopy (MRS) reveals "remarkable" neurochemical patterns associated with COVID-19-induced anosmia, or loss of smell.
January 23, 2025
Mri Brain
LI-RADS ultrasound surveillance version 2024 improves HCC detection
By Amerigo Allegretto
The 2024 version of the LI-RADS Ultrasound Surveillance system improves detection of hepatocellular carcinoma (HCC) over earlier iterations.
January 22, 2025
(A,B) Images from an initial ultrasound examination showed no identifiable lesions and received a consensus ultrasound category of US-1. Nearly the entire liver is visualized, with minimal shadowing (“s”, A and B), and the examination received consensus result of VIS-A. The AFP level was 7.1 ng/mL on assessment six months before the ultrasound, 9.1 ng/mL on assessment three months before examination, and 14.2 ng/mL on assessment on exam day. The AFP result was thus assessed as positive based on a progressive increase on two consecutive tests. The atient was considered to have negative surveillance result according to LI-RADS Ultrasound Surveillance v2017, but positive surveillance result according to LI-RADS Ultrasound Surveillance v2024. (C-D) Axial arterial-phase (C) and portal-venous phase (D) T1-weighted images from subsequent gadoxetic acid-enhanced MRI show a 2-cm arterial-phase hyperenhancing observation (arrow, C) with portal-venous washout (arrow, D) in segment 7. This observation was classified on MRI as LR-5, thus meeting the present study’s reference standard for diagnosis of HCC. The mass is located in the periphery of the liver, an anatomic area where ultrasound visualization can be challenging due to shadowing.
Deep learning helps find, segment lung tumors on CT imaging
By Kate Madden Yee
Using a deep-learning model with lung CT imaging shows promise for identifying and segmenting tumors, researchers have reported.
January 22, 2025
Lung Ct Images
EVT promising in patients with extracranial ICA occlusions
By Will Morton
Endovascular thrombectomy (EVT) and best medical treatment are both effective and safe options for patients with acute extracranial internal carotid artery occlusions.
January 21, 2025
Images in a 74-year-old male patient who presented at the hospital with acute symptoms of a right hemispheric ischemic stroke and a National Institutes of Health Stroke Scale (NIHSS) score of 24. (A) Nonenhanced CT image shows no signs of early infarction, whereas (B) CT perfusion image shows a large perfusion deficit in the territory of the middle cerebral artery and anterior cerebral artery caused by an extracranial occlusion in the right internal carotid artery. (C) Digital subtraction angiography shows the occlusion in the C1 segment. The extracranial occlusion was passed, reperfused, and subsequently stented (D, E). The final contrast injection did not reveal any intracranial occlusions within the territory of the internal carotid artery (F). At the 24-hour follow-up, there was no infarction on (G) the nonenhanced CT image, and the NIHSS score had decreased to 3 points. Image courtesy of RSNA.
CEUS resolves indeterminate CT, MRI liver observations
By Amerigo Allegretto
Contrast-enhanced ultrasound (CEUS) can resolve some high-risk indeterminate liver observations initially seen on CT or MRI.
January 21, 2025
Images depict a 49-year-old female participant with cryptogenic cirrhosis who presented with a 3.2-cm liver lesion. This biopsy-confirmed hepatocellular carcinoma (HCC) with an initial categorization of Liver Imaging Reporting and Data System (LI-RADS) category LR-4 (probably HCC) at CT was upgraded to LR-5 (definitely HCC) at contrast-enhanced ultrasound (CEUS). (A) Precontrast CT images in the liver show vague hypoattenuation in the medial left hepatic lobe (arrows). (B) Arterial phase images demonstrate no definite arterial phase hyperenhancement (arrows). (C) Washout and an enhancing capsule (arrows) on a late-phase image resulted in an LR-4 categorization. (D) B-mode ultrasound shows a round hypoechoic nodule (arrows). (E) An early-phase CEUS image shows clear arterial-phase hyperenhancement (arrows); (F) No washout at one minute (arrows), and (G) late, mild washout at four minutes (arrows) resulted in a CEUS LR-5 categorization.
PET/CT can rule out CAV in heart transplant patients
By Will Morton
Cardiac PET/CT scans can effectively rule out moderate to severe cardiac allograft vasculopathy (CAV) in heart transplant patients.
January 17, 2025
Ctca
Machine learning can predict immunotherapy response in NSCLC patients
By Kate Madden Yee
Machine learning can help clinicians predict immunotherapy response in patients with inoperable non-small cell lung cancer (NSCLC).
January 17, 2025
Lung Ct Images
Current topics in mammography
By Sandy Coffta
Sandy Coffta of Healthcare Administrative Partners discusses changes in reporting and reimbursement for mammography exams.
January 17, 2025
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Surgeon General's alcohol advisory puts patient counseling at the fore
By Amerigo Allegretto
Patient communication and education may be key for radiologists in the wake of the Surgeon General’s advisory on alcohol-related cancer risk.
January 17, 2025
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