CT imaging of blood vessels in the brain. Lower right image shows a volumetric reconstruction. (Cynthia McCollough, Mayo Clinic, via Physics Today) October 1st, 2021 marks the 50th anniversary of the ...

Artificial intelligence (AI) can diagnose COVID-19 from CT scans, researchers in China claim. At least two teams have released studies that they say demonstrate that deep learning can analyse ...

The number of CT examinations in pregnant patients has grown constantly during the past decades. But human embryos and foetuses are sensitive to ionizing radiation doses greater than 0.1 Gy. The ...

CT scans offer one way to learn more about the location, size, and shape of a brain aneurysm. A brain aneurysm is a weak or very thin spot on an artery in the brain that bulges out and fills with ...

Medical imaging scans that create detailed images of the body’s internal structures are widely used in medicine. Doctors need them to detect and manage certain types of cancer, assess the extent of ...

Computed tomography (CT or CAT) scans help doctors detect everything from cancer to kidney stones. But some physicians are raising concerns about the safety of such procedures — most notably, an ...