Home > Specialties > Scanning Systems, Computed Tomography/Single Photon Emission Computed Tomography

Scanning Systems, Computed Tomography/Single Photon Emission Computed Tomography

Definition : Scanning systems designed to combine computed tomography (CT), frequently a multislice helical CT, and single photon emission computed tomography (SPECT) system capabilities. The combined system uses SPECT imaging to detect metabolic abnormalities and CT scanning to localize lesions within the body; this combination permits acquisition of a fusion (i.e., integration) of anatomic and functional (molecular) information with a multiple scan in a single procedure with better results than those obtained when the two images are taken separately. These systems usually consist of CT and SPECT scanners mounted in a common mechanical support within a single gantry, common tables, workstation, monitors, and appropriate software to allign both scanning systems' data and images. The systems may be also used when needed for separate CT and SPECT studies without loss of technical performance. CT/SPECT combined systems are intended to facilitate faster and more accurate evaluations; they are used mainly for diagnosis, treatment planning, and evaluation of therapy in cardiac, orthopedic, and oncology patients.

Entry Terms : "Hybrid CT/SPECT Systems" , "Combined CT/SPECT Scanning Systems"

UMDC code : 24013

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