helical scanning


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helical scanning

Spiral computed tomography, see there.
References in periodicals archive ?
The SkyScan 1276 also is the world's first in vivo microCT system with rapid helical scanning, and with unique InstaRecon technology to reconstruct images up to 8000x8000 pixels per slice, faster than any other conventional algorithm.
A tangential approach without a stop and go, as well as circular or helical scanning.
Toshiba America Medical Systems (Tustin, CA) introduced 160-detectorrow helical scanning, which is the helical scan mode with the largest number of detector rows.
Einstein and a team of researchers compared the radiation exposure incurred during a coronary CT angiography procedure using a 64-detector row helical scanning and volume scanning, using a 320-detector row volume CT scanner.
Normal axial CT is largely dependent on kVp and mAs, but with helical scanning, there is the added parameter known as pitch.
The CT technologist must manipulate many variables during helical scanning, including precontrast and postcontrast scanning, injection rates, scan delays, slice thickness and gap, type of contrast used, amount of contrast used, and bolus injection vs.