A study on position variation of liver cancer and interested structures during respiration by 4DCT and 3DCT.

Philips has secured an FDA clearance for what it describes as the world’s first imager to combine spectral CT with four-dimensional captures in a single scan, with a design specifically targeting the ...

A man in his eighties undergoing a four-dimensional (4D) CT scan for lung cancer treatment developed acute sweating, nausea, and vomiting that resolved when seated. Imaging suggested possible ...