Tag

Medical Imaging

All articles tagged with #medical imaging

Metamaterial MRI Antenna Delivers Sharper Eye and Brain Imaging on Existing Scanners
technology13 days ago

Metamaterial MRI Antenna Delivers Sharper Eye and Brain Imaging on Existing Scanners

Researchers at the Max Delbrück Center and Rostock University Medical Center unveiled a metamaterial-based MRI antenna that strengthens signals from deep tissues, enabling higher-resolution images of the eye and occipital brain regions and potentially shorter scan times without new equipment. Tested at 7.0 Tesla on volunteers, the compact antenna can be adapted to different body parts, may help reduce heating near implants, and could enhance MRI-guided therapies; larger clinical studies are planned and the approach targets broader organ imaging in the future.

Mayo Clinic AI flags pancreatic cancer years before scans reveal it
health21 days ago

Mayo Clinic AI flags pancreatic cancer years before scans reveal it

A Mayo Clinic AI model detected early signs of pancreatic cancer on CT scans up to three years before diagnosis, outperforming radiologists by about threefold. Pancreatic cancer has a dire prognosis with about 13% five-year survival, and the tool is in clinical trials, potentially helping high-risk individuals, though experts emphasize that human oversight remains essential as AI enters medical practice.

Micron-Resolution Atlas Reveals Hidden Details of the Human Body
science22 days ago

Micron-Resolution Atlas Reveals Hidden Details of the Human Body

A new Human Organ Atlas using hierarchical phase-contrast tomography (HiP-CT) at the European Synchrotron Radiation Facility delivers detailed 3D images of 87 organs from 54 donors, exposing cellular-level anatomy and disease features (including aspects of COVID-19 and cancer) with unprecedented precision. The dataset era—exceeding terabytes—aims to support medical training, research, and AI model development, with the broader goal of eventually imaging entire bodies at 10–20x higher resolution than today’s capabilities, potentially transforming anatomy study and diagnosis.

Musk Pushes Public Medical Data to Train Grok, Triggering Privacy and Accuracy Concerns
technology4 months ago

Musk Pushes Public Medical Data to Train Grok, Triggering Privacy and Accuracy Concerns

Elon Musk urged X users to upload medical data—including X-rays, MRIs and CT scans—to Grok to train the AI in interpreting images, a plan critics say risks patient privacy since social-media shares aren’t HIPAA-protected and data may not reflect diverse patient populations; Grok’s diagnostic accuracy remains mixed amid competition from health-focused AI like OpenAI’s ChatGPT Health.

health7 months ago

Rising Incidence of Unusual Side Effects from Weight-Loss Drugs like Ozempic

An 'unusual' side effect of weight-loss drugs like Ozempic and Mounjaro is emerging, where these medications may interfere with PET-CT scans by causing abnormal FDG uptake patterns, potentially leading to misdiagnoses or unnecessary procedures. Experts recommend careful documentation of medication history to prevent diagnostic errors, as current guidelines do not address this issue.