According to Dr Mutua, a PET scan can detect cancer in lymph nodes and organs that appear normal on a chest CT scan. “Since PET scans cover a larger area of the body, from the skull to the ...

CT scans of the head, for example, expose patients to about the equivalence of one year of natural radiation. This is about 100 times the radiation dose from a chest X ray. Other CT examinations ...

High-resolution scans Masahiro Yanagawa, a radiologist at Osaka University, believes that noise-free, high-resolution CT scans will be a game-changer in diagnosing lung diseases. “The lungs are ...