Sanjay M. Parekh, PhD

AI
Reimbursement issues give impetus to AI adoption
Adoption of AI solutions remains nascent and inconsistent. The market has yet to see widespread adoption of medical AI technologies, as Sanjay M. Parekh, PhD, explains.
January 15, 2024
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Medical imaging AI market poised for strong growth
The world market for medical imaging artificial intelligence (AI) applications is projected to reach almost $1.2 billion by 2025, with a compound annual growth rate of 26%, according to a new report from Signify Research.
July 27, 2021
2021 07 27 23 07 2424 Parekh Sanjay 20210727232720
AI
Medical imaging AI market projected for strong growth
The world market for artificial intelligence (AI)-based clinical applications for use in medical imaging is set to reach almost $1.5 billion by 2024, despite a slower-than-expected uptake of these products and the impact of the COVID-19 pandemic, according to a new report from Signify Research.
September 9, 2020
2019 10 31 17 12 6621 Graph Financial Results Global 400
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Research presented at ISMRM 2025 found that adding dobutamine stress imaging to CMR can separate athletic hearts from hearts with early DCM. The stress CMR findings correlated well with CPET results, highlighting the feasability of adding dobutamine stress imaging to CMR exams.
ISMRM 2025
ISMRM: Adding dobutamine stress imaging to CMR feasible
Adding dobutamine stress imaging during clinical cardiovascular MR exams is feasible for separating athletic hearts from hearts with early DCM.
AI models can generate synthetic equivalents to PET images from routinely acquired T1W MRI scans.
ISMRM 2025
ISMRM: Barriers face synthetic amyloid PET image development
Representative stress perfusion CMR case with 80% contrast dose reduction. Pixel-wise MBF maps and AHA 16-segment bull's eye plots are shown for full-dose and reduced-dose acquisitions. When analyzed using the proposed MST deep learning method, the reduced-dose data closely matches the full-dose data across basal, mid, and apical slices. In contrast, Fermi-deconvolution shows good agreement in apical and mid slices but overestimates MBF in some basal segments, indicating reduced accuracy under low-dose conditions. Image courtesy of the ISMRM.
ISMRM 2025
ISMRM: AI spots ischemic heart disease on low GBCA dose images
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Report highlights LLM cybersecurity threats
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ISMRM 2025
ISMRM: Synthesized MR images mitigate patient exposure to gadolinium
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ISMRM: Adding dobutamine stress imaging to CMR feasible
By Amerigo Allegretto
Adding dobutamine stress imaging during clinical cardiovascular MR exams is feasible for separating athletic hearts from hearts with early DCM.
May 14, 2025
Research presented at ISMRM 2025 found that adding dobutamine stress imaging to CMR can separate athletic hearts from hearts with early DCM. The stress CMR findings correlated well with CPET results, highlighting the feasability of adding dobutamine stress imaging to CMR exams.
ISMRM: Barriers face synthetic amyloid PET image development
By Will Morton
Work on developing synthetic amyloid PET images from MRI scans is in its early stages.
May 14, 2025
AI models can generate synthetic equivalents to PET images from routinely acquired T1W MRI scans.
ISMRM: AI spots ischemic heart disease on low GBCA dose images
By Erik L. Ridley
An AI-based framework was highly accurate for detecting myocardial ischemia, even on images acquired with 90% less gadolinium.
May 14, 2025
Representative stress perfusion CMR case with 80% contrast dose reduction. Pixel-wise MBF maps and AHA 16-segment bull's eye plots are shown for full-dose and reduced-dose acquisitions. When analyzed using the proposed MST deep learning method, the reduced-dose data closely matches the full-dose data across basal, mid, and apical slices. In contrast, Fermi-deconvolution shows good agreement in apical and mid slices but overestimates MBF in some basal segments, indicating reduced accuracy under low-dose conditions. Image courtesy of the ISMRM.
Report highlights LLM cybersecurity threats
By Will Morton
The use of LLMs in radiology and healthcare as a whole is expanding, making it crucial to start understanding their potential vulnerabilities.
May 14, 2025
Chatgpt 4
ISMRM: Synthesized MR images mitigate patient exposure to gadolinium
By Kate Madden Yee
Using synthesized "contrast-enhanced" images can address gadolinium-related health concerns and cut exam time.
May 13, 2025
Synth Mri Thumbnail
ISMRM: MRI postoperative imaging useful for DBS treatment planning
By Liz Carey
Researchers are getting closer to understanding how deep brain stimulation alters the medication burden of patients with Parkinson's.
May 13, 2025
Aggregate Center Stn Schoen Ismrm2025
ISMRM: DMI metabolic modeling provides insight for neuro diseases
By Amerigo Allegretto
Using deuterium metabolic imaging data for metabolic modeling shows differences in brain tissue between healthy, epilepsy, and glioblastoma patients.
May 13, 2025
A research team out of University Medical Center Utrecht in the Netherlands described their DMI metabolic modeling approach at ISMRM 2025. It found differences in brain tissue between healthy, epilepsy, and brain tumor patients.
ISMRM: AI reconstruction can improve sustainability in MRI
By Erik L. Ridley
Researchers reported substantial energy and time savings from adoption of AI-based MR image reconstruction.
May 13, 2025
Judith Herrmann, MD, PD, of the University Hospital Tübingen in Germany.
Breast texture patterns on mammo may predict cancer risk in dense breasts
By Amerigo Allegretto
Radiomic phenotypes found on mammography may be linked to elevated breast cancer risk in women with dense breasts.
May 13, 2025
Full-field digital mammography (FFDM) images in a 52-year-old woman show a high-risk phenotype (top), and FFDM images in a 58-year-old woman show a low-risk phenotype (bottom). The high-risk phenotype was defined by having high values of the first principal component (PC1) and was assigned to cluster 3 (top row), and the low-risk phenotype was defined by having low values of the PC1 and was assigned to cluster 1 (bottom row). The index images (left side; before any diagnosis of cancer) are provided as well as follow-up images obtained at either the time of cancer diagnosis (for the high-risk phenotype, top right) or at the last follow-up (low-risk phenotype, bottom right). The red circle indicates the location of subsequent breast cancer. Both women had a BI-RADS breast density of C. The woman at high risk for breast cancer was Black and the woman at low risk for breast cancer was white.
ISMRM: MR spectroscopy captures neurochemistry changes after football hits
By Liz Carey
Choline has emerged as the key metric of injury in a traumatic brain injury study.
May 12, 2025
Expected outcomes in brain metabolites
ISMRM: 4D MRI reveals heart impairments in patients with COPD
By Will Morton
Research presented at ISMRM 2025 highlighted how 4D flow MRI reveals cardiopulmonary hemodynamic interaction in patients with COPD.
May 12, 2025
Examples of hemodynamic parameter maps superimposed on their corresponding anatomic data for two participants. Participant A represents an example of good flow with lower right ventricle stasis, increased right atrium kinetic energy, and increased mean velocity when compared to the sample’s average calculations. Opposite findings are highlighted by the visualizations of participant B representing an example of poor flow.
ISMRM: Synthetic MRI feasible for breast cancer screening
By Kate Madden Yee
Synthetically generated "postcontrast" screening breast MR images show promise as an alternative to contrast MRI exams in women with contrast-related contraindications.
May 12, 2025
Invasive breast cancer is detected in left breast as an enhancing irregular mass. The mass is well visualized on reconstructed T1 weighted image. Images and caption courtesy of Soonhoi Ha, PhD, and the ISMRM.
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