COMPUTED TOMOGRAPHY PATIENT LOCALIZATION SCANNING

摘要

Computed Tomography-Patient Localization Scanning Method and apparatus for a computed tomography patient localization scan. A source of radiation that orbits a patient during a normal computed tomography scan is fixed relative an array of radiation detectors. The patient is when moved in a direction generally perpendicular to the plane of the radiating source and array to obtain a first shadowgraph data set. The source is orbited a small amount and the patient is again moved relative the source and detector array to obtain a second shadowgraph set of data. The two sets of data are then interleaved to obtain a shadowgraph image having higher resolution than either the first or second shadowgraph.