helical computed tomography


Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to helical computed tomography: spiral scan, spiral computed tomography

spi·ral com·put·ed to·mog·ra·phy

computed tomography in which the x-ray tube continuously revolves around the patient, who is simultaneously moved longitudinally; computer interpolation allows reconstruction of standard transverse scans or images in any preferred plane.

helical computed tomography

Computed tomographic (CT) images that are obtained as the CT table moves continuously during a single, held breath. Detailed evaluation of dynamic internal features is feasible with this technique.
Synonym: spiral computed tomography
See also: tomography
References in periodicals archive ?
The clinical role of noncontrast helical computed tomography in the diagnosis of acute appendicitis.
[4.] Krasney RM, Lu DSK Helical computed tomography for abdominal imaging.
Tenders are invited for Supply and installation of a multislice helical computed tomography (tac) equipment
The accuracy of noncontrast helical computed tomography versus intravenous pyelography in the diagnosis of suspected acute urolithiasis: a meta-analysis.
Helical computed tomography of the paranasal sinuses in children: evaluation of sinus inflammatoy diseases.
Objective: To determine the pattern of urinary tract changes in cases of ureterolithiasis as detected on helical computed tomography.
The following morning, she underwent Helical Computed Tomography (CT) of her abdomen and pelvis.
Value of helical computed tomography in the management of upper esophageal foreign bodies.
Supply with installation and subsequent maintenance of a team of helical computed tomography of 16 cuts.