AuntMinnie.com staff writers

Nuclear Medicine
AC Immune show first images from alpha-synuclein PET
Swiss biopharmaceutical company AC Immune has revealed the first noninvasive live images of alpha-synuclein in humans' brains using its new PET tracer for neurogenerative diseases.
March 15, 2022
2022 03 17 15 47 6609 2022 03 17 Ac Immune Pet Image 20220317153445
AI
Astute Imaging acquires Dileny Technologies
Astute Imaging, a spinoff of medical data management firm Fivos, has acquired the artificial intelligence startup Dileny Technologies.
March 15, 2022
2020 07 20 23 40 0607 Handshake Meeting 400
PACS/VNA
Philips debuts cybersecurity service at HIMSS 2022
Philips Healthcare has introduced a secure remote access management service at the Healthcare Information and Management Systems Society (HIMSS) 2022 meeting in Orlando, FL.
March 15, 2022
2019 12 10 18 30 7564 Philips Rsna 2019 400
AI
Mach7 partners with Bialogics
Data management firm Mach7 Technologies is partnering with business intelligence analytics firm Bialogics Analytics.
March 15, 2022
2017 01 19 17 36 02 396 Data Analytics 400
PACS/VNA
DiA inks multiyear deal with Change Healthcare
Artificial intelligence ultrasound analysis software developer DiA Imaging Analysis has signed a multiyear deal with enterprise imaging technology provider Change Healthcare.
March 15, 2022
2020 02 10 23 16 2940 Change Healthcare Rsna 2019 400
Associations
Imaging mostly absent from MedPAC's March report to Congress
Medical imaging is mostly absent from the Medicare Payment Advisory Commission's (MedPAC) report to Congress released March 15.
March 14, 2022
2017 05 04 10 02 04 942 Capitol Hill2 400
Nuclear Medicine
IBA and Tractebel partner on construction projects
Proton therapy developer Ion Beam Applications (IBA) has inked a partnership agreement with engineering company Tractebel to support IBA's customers with their proton therapy design and construction projects.
March 14, 2022
2020 04 22 17 11 4900 Business Handshake Man 400
AI
Meditech, Google Health to partner on Expanse EHR
Healthcare information systems firm Meditech and Google Health plan to collaborate on integrating Google Health's search capabilities into Meditech's Expanse electronic health record (EHR) platform.
March 14, 2022
2020 02 21 17 18 9566 Business Handshake Woman 400
Ultrasound
NovaSignal secures Health Canada approval for NovaGuide
Ultrasound software developer NovaSignal has secured approval from Health Canada to market in that country its NovaGuide Intelligent Ultrasound system.
March 14, 2022
2021 04 22 23 05 5088 Brain Stroke 400
IS
GE Healthcare to bring new digital health platform to market
At the 2022 Healthcare Information and Management Systems Society meeting, GE Healthcare is highlighting a plan to bring a new digital health platform to market called Edison Digital Health.
March 14, 2022
2021 11 30 16 39 4000 Ge Rsna 2021 400
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Ovarian Cancer Cells Adobe Justlight
CT
Using GPT‑4o with CT exams helps diagnose ovarian cancer earlier
Early detection of ovarian cancer is a persistent challenge, with more than half still diagnosed at metastatic stages.
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Womens Imaging
Survey: Nearly 4 out of 5 practices short on breast imagers
Prostate Imaging
Radiation Oncology/Therapy
Pooled evidence: Lu-177 PSMA-617 vs. established therapies in mCRPC
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MRI
Cardiac MRI-based ML model predicts MACE risk for STEMI patients
How Agentic AI Is Transforming Radiology Ops
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PCCT improves assessment of coronary artery disease
By Kate Madden Yee
Ultrahigh-spatial-resolution photon-counting detector CT (PCCT) improves the evaluation of coronary artery disease, researchers have found.
February 20, 2024
Heart Damage
Annual breast cancer screening starting at age 40 saves lives
By Amerigo Allegretto
Annual breast cancer screening starting at age 40 yields the most mortality reduction, research indicates.
February 20, 2024
Screenshot (1075)
AI spots unidentified brain tumor on PET imaging
By Will Morton
An AI algorithm designed for brain PET imaging found a glioblastoma in a patient that had gone undetected by physicians.
February 20, 2024
Baseline scan (A), segmentation results (B), and follow-up scan (C) from patient with molecular glioblastoma. Baseline MRI showed FLAIR hyperintensities in left thalamus and frontoparietal region (white arrowheads). In contrast to expert segmentation, in which only left thalamic region showed slightly increased uptake (red contour), AI algorithm identified additional frontoparietal lesion on baseline PET that subsequently progressed to contrast-enhancing and metabolically active lesion (red arrowheads). Image courtesy of the Journal of Nuclear Medicine.
MRI reveals functional brain alterations associated with depression
By Kate Madden Yee
Researchers have found that MRI reveals functional brain alterations that are associated with major depression.
February 20, 2024
Depression
How can radiologists prepare for breast density notification laws?
By Amerigo Allegretto
Lars Grimm, MD, from the Society of Breast Imaging spoke on how breast imaging facilities can best prepare for new breast density notification laws.
February 16, 2024
Screenshot (1072)
Can radiologists’ eye-tracking data enhance AI?
By Will Morton
Integrating eye-tracking data that map how radiologists interpret x-rays into deep learning AI algorithms could be key to developing more “human-centered” AI.
February 16, 2024
Difference between saccades, fixations, and attention heatmaps in radiologist eye-tracking studies. Image courtesy of the European Journal of Radiology.
PI-RADS optimizes MRI-based diagnostics for prostate cancer detection
By Kate Madden Yee
It's better to take Prostate Imaging-Reporting and Data System (PI-RADS) upgrading rules into account when it comes to deciding whether a patient with clinically significant prostate cancer needs a biopsy, researchers have reported.
February 15, 2024
Prostate Cancer
PET links tau pathology to speech changes in unimpaired patients
By Will Morton
Brain pathology associated with Alzheimer’s disease in cognitively unimpaired adults appears to be linked to speech changes.
February 15, 2024
Tau
ADC optimal cutoff reduces MRI-prompted breast biopsies
By Amerigo Allegretto
Applying point-of-care apparent diffusion coefficient (ADC) cutoffs from diffusion-weighted imaging could reduce MRI-prompted breast biopsies.
February 15, 2024
Apparent diffusion coefficient (ADC) measurements for benign and malignant BI-RADS category 4 or 5 lesions at MRI. (A, B) Benign BI-RADS category 4 lesion in a 55-year-old woman. (A) Dynamic contrast-enhanced MRI (DCE-MRI) scan shows a 12-mm, oval, circumscribed, homogeneous mass in the right posterior breast (arrow). (B) On the diffusion-weighted image, the lesion shows high diffusivity (arrow), with an ADC of 2.04 × 10-3 mm2/sec. Biopsy revealed benign fibroadenoma. (C, D) Malignant BI-RADS category 4 lesion in a 41-year-old woman. (C) DCE-MRI scan shows a 24-mm irregular, heterogeneous mass at the 3 o’clock position in the left breast (arrow). (D) On the diffusion-weighted image, the lesion demonstrates low diffusivity (arrow), with an ADC of 0.91 × 10-3 mm2/sec. Biopsy revealed invasive ductal carcinoma. All MRI scans are shown in the axial plane. (E) Box plot shows ADC measurements for 240 BI-RADS 4 and 5 lesions (63 malignant and 177 benign). Both prespecified optimal and conservative ADC cutoffs are indicated on the plot for reference: 1.53 × 10-3 mm2/sec (dashed line) and 1.68 × 10-3 mm2/sec (dotted line), respectively. All ADCs were calculated with maximum b value of 800 sec/mm2. The midline of each box shows the median value, and the box extends from first to third quartiles. The whiskers extend from the first and third quartiles to the smallest and largest values, respectively, if those values are within 1.5 times the IQR. If not, the length of the whiskers is limited to 1.5 times the IQR. Image courtesy of the RSNA.
Unmet social needs tied to screening mammography use
By Amerigo Allegretto
Women's unmet social needs should be considered to better promote breast cancer screening utilization and early-stage cancer diagnosis.
February 14, 2024
Woman Anxious 400
Functional MRI shows promise for treating chronic severe tinnitus
By Kate Madden Yee
Real-time functional MRI neurofeedback therapy may be more effective for treating chronic severe tinnitus than cognitive behavioral therapy, researchers have found.
February 14, 2024
Tinnitus Ear Problems Illustration
Radiologists ‘compete’ on chest x-rays reads with and without AI
By Will Morton
In a study described as a “competition between radiologists,” participants tasked with identifying abnormal findings on chest x-rays performed better with AI assistance than without AI assistance – though not by much and not in all cases.
February 14, 2024
The AI system output the bounding boxes and labels of the lesions to assist radiologists. Image courtesy of the Journal of Imaging Informatics in Medicine.
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