PET and MRI scans may together distinguish a new type of dementia from Alzheimer’s disease (AD), a 2026 retrospective, ...

MRI scans create detailed images of soft tissues and tumors, making them highly effective for detecting cancer in various parts of the body. However, they have limitations and may not detect all types ...

MRI preparation depends on the type of scan, the area of your body being scanned, and whether the scan requires contrast dye. It’s important to discuss prep with your doctor beforehand. In rare, ...

DEAR MAYO CLINIC: I have had an acoustic neuroma for 10 years. When it was first diagnosed, I had fractionated stereotactic radiosurgery. Since then, I've had 18 MRIs with gadolinium injections. Have ...