One grainy, gray-scale image of a brain changed science and medicine forever. Half a century ago, the first CT image of a patient lifted the veil of invisibility that cloaks the interior of the human ...
PET-CT is a modern functional imaging modality which is obtained by a combination of PET (Positron emission tomography) and CT (computerised tomography) in a single examination. This combination ...
CHICAGO, June 7 (Reuters) - A number of studies in the past year have raised concerns that Americans are exposed to too much radiation from CT scans, increasing their risk of cancer. [ID:nN01116048] A ...