Health informatics

Keeping a human in the loop: Managing the ethics of AI in medicine

Artificial intelligence (AI)—of ChatGPT fame—is increasingly used in medicine to improve diagnosis and treatment of diseases, and to avoid unnecessary screening for patients. But AI medical devices could also harm patients ...

Radiology & Imaging

Enhancing PET image quality with deep learning

The axial field of view (AFOV) plays a pivotal role in determining image quality in positron emission tomography (PET). While total-body PET scanners like the uEXPLORER offer superior sensitivity, they come at a higher cost ...

Immunology

Microbubble macrophages track tumors

Macrophages, a type of white blood cell, defend the body by engulfing and digesting foreign particles, such as bacteria, viruses, and dead cells. The immune cells also tend to accumulate in solid tumors, so tracking them ...

Oncology & Cancer

New cancer 'tracer' promises to detect more tumors earlier

For people waiting for imaging tests to diagnose neuroendocrine cancer, time is of the essence. Now, thanks to researchers at the University of Alberta, a new medical imaging agent for PET scans promises to reduce wait times, ...

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