Spiral CT

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Spiral CT Definition

A method of computed tomography (CT) that uses continuous rotation of the X-ray tube and continuous transport of the patient through the scanning aperture that allows the rapid acquisition of a volume of CT data. Advantages over conventional CT include: rapid acquisition of a large volume of data within a single breath-hold, thus minimizing respiration artifact and misregistration between slices; the ability to reconstruct images retrospectively at any level within the scanned volume; optimization of intravenous contrast enhancement due to the short scan times; improved multi-planar and 3-D reconstruction; and the potential for radiation dose reduction. Same as helical computed tomography. (British Journal of Radiology 1994 May;67(797):436-44)

Spiral CT Synonyms

Spiral CT, Helical CT, SCT, Spiral Acquisition CT, Spiral Computed Tomography, Spiral Volumetric CT, Volumetric CT, helical computed tomography, spiral CT scan

Terms in Spiral CT category

Dynamic Enhanced CT
Dynamic Spiral CT
Incremental Spiral CT
Low-Dose Spiral CT
Phased Spiral CT
Subsecond Spiral CT