Computed Tomography of The ChestDong YuchaoChanghai HospitalRsepiratory DepartmentThe Theory The C.T.scan machine takes images using x-rays.The patient lies on the C.T.table and is moved into the C.T.gantry.This part of the machine contains an x-ray tube and x-ray detectors that spin rapidly around the patient taking x-ray measurements.The measurements are fed to a specialized computer that assembles the measurement data into a series of C.T.pictures.The images are viewed as a series of standard
