Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Maximum volume coverage in spiral computed tomography scanning

G Wang1, M W Vannier

  • 1Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO 63110, USA.

Academic Radiology
|May 1, 1996
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Interaction in vivo and in vitro of the metastasis-inducing S100 protein, S100A4 (p9Ka) with S100A1.

The Journal of biological chemistry·2001
Same author

Interpolation algorithms for digital mammography systems with multiple detectors.

Academic radiology·2000
Same author

Hyperactive tendon reflexes in spastic multiple sclerosis: measures and mechanisms of action.

Archives of physical medicine and rehabilitation·2000
Same author

Synthesis of unsaturated carboacyclic nucleoside analogues via Mitsunobu reactions.

Nucleosides, nucleotides & nucleic acids·2000
Same author

Synthesis and cytokine modulation properties of pyrrolo[2, 3-d]-4-pyrimidone nucleosides.

Journal of medicinal chemistry·2000
Same author

Reciprocal information flow between prefrontal cortex and ventral tegmental area in an animal model of schizophrenia.

Neuroreport·2000
Same journal

Improving Reliability of MRI Lumbar Spinal Stenosis Assessment Across Radiology and Spine Specialties: Impact of a Structured Education Intervention.

Academic radiology·2026
Same journal

Advances in CT and MRI for Yttrium-90 Radioembolization of Hepatocellular Carcinoma.

Academic radiology·2026
Same journal

Homogeneity of Liver Fat Distribution Serves as a Diagnostic Marker for Metabolic Dysfunction-Associated Steatohepatitis.

Academic radiology·2026
Same journal

MRI-based Predictors and Risk Constellations of Chronic Ankle Instability After Acute Lateral Ankle Sprain: A Multicenter Study.

Academic radiology·2026
Same journal

Early Prediction of Pathological Complete Response to Neoadjuvant Chemotherapy in Breast Cancer using a Longitudinal US-based Stack-model.

Academic radiology·2026
Same journal

Evaluating the Impact of Embolization on Outcomes in Iliopsoas Hematomas: A Multicenter Retrospective Propensity-matched Study.

Academic radiology·2026
See all related articles

Maximizing volume coverage in spiral computed tomography (CT) requires optimizing detector collimation and table increment. A pitch of approximately 1.4 is recommended for enhanced image quality and coverage with heat-limited tubes.

Area of Science:

  • Medical Imaging Physics
  • Radiological Technology

Background:

  • Spiral computed tomography (CT) enables continuous volumetric data acquisition.
  • Optimizing scan parameters is crucial for balancing image quality and scan efficiency.

Purpose of the Study:

  • To analytically determine the optimal parameters for maximizing volume coverage in spiral CT.
  • To establish the ideal pitch for achieving maximum volume coverage under specific constraints.

Main Methods:

  • Utilized the convolution of detector response and table motion functions to define the slice sensitivity profile (SSP).
  • Derived relationships between SSP variance, image noise, tube current, and detector collimation.
  • Incorporated constraints of limited scanning time and tube heat capacity.

Related Experiment Videos

Main Results:

  • Demonstrated that maximum volume coverage is achieved with a pitch of the square root of 2 (approximately 1.414).
  • This optimization is valid given a limited tube heat capability, slice thickness, and desired image noise level.

Conclusions:

  • For heat-limited spiral CT systems, a pitch of 1.4 is recommended for maximizing volume coverage.
  • This pitch ensures optimal image quality in terms of slice thickness and noise for diagnostic purposes.