Artificial Intelligence

Artificial intelligence (AI) is becoming a crucial component of healthcare to help augment physicians and make them more efficient. In medical imaging, it is helping radiologists more efficiently manage PACS worklists, enable structured reporting, auto detect injuries and diseases, and to pull in relevant prior exams and patient data. In cardiology, AI is helping automate tasks and measurements on imaging and in reporting systems, guides novice echo users to improve imaging and accuracy, and can risk stratify patients. AI includes deep learning algorithms, machine learning, computer-aided detection (CAD) systems, and convolutional neural networks. 

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Computer-aided detection doesn’t improve mammography: study

Defying intuition as well as expectations, a new analysis of computer-aided detection (CAD) in nearly 626,000 screening mammography exams has found the technique no better than old fashioned “CAD-less” interpretations.

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Cascade classifier shown to improve accuracy in mass vs. nonmass breast lesion differentiation

Researchers at the University of Toronto have tested and validated the superiority of a two-stage cascade classifier over a traditional, single-shot classifier when using computer-aided diagnosis (CAD) to differentiate between mass and nonmass breast lesions. 

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MIT, Boston Children's working to advance 3D modeling

3D printing holds immeasurable promise in healthcare and the latest research collaboration in Boston aims to quickly convert MRI scans into models to help surgeons plan surgery.

Military study shows prompt scans with susceptibility-weighted MRI greatly aid treatment of traumatic brain injury

Susceptibility-weighted MRI is better than the current method of choice, T2-weighted gradient-recalled-echo MRI, at detecting microhemorrhages on the brain—and it’s best to deploy the imaging technology as soon after injury as possible. 

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3D printing keeps showing off

More good news continues to roll out about the 3D printing market and it’s applications within healthcare.

Philips lands FDA clearance for its Spectral Diagnostic Suite

The FDA has granted 510(k) clearance to Philips’ Spectral Diagnostic Suite, a set of advanced visualization and analysis tools designed for the Philips IQon Spectral CT.

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Iterative reconstruction maintains or improves image quality while reducing dose in cranial CT

Iterative reconstruction improves the quality of images of stroke patients’ brains while also allowing for radiation dose reduction, according to researchers at Goethe University in Frankfurt, Germany.

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CT colonography tattles on false negatives in colonoscopy

Colonoscopy misses or misjudges a substantial percentage of polyps that CT colonography can correctly flag as problematic, a study at the University of Wisconsin suggests.

Around the web

RBMA President Peter Moffatt discusses declining reimbursement rates, recruiting challenges and the role of artificial intelligence in transforming the industry.

Deepak Bhatt, MD, director of the Mount Sinai Fuster Heart Hospital and principal investigator of the TRANSFORM trial, explains an emerging technique for cardiac screening: combining coronary CT angiography with artificial intelligence for plaque analysis to create an approach similar to mammography.

A total of 16 cardiology practices from 12 states settled with the DOJ to resolve allegations they overbilled Medicare for imaging agents used to diagnose cardiovascular disease.