Spiral (helical) CT

J. P. Heiken, J. A. Brink, M. W. Vannier

Research output: Contribution to journalReview articlepeer-review

290 Scopus citations


Spiral (helical) computed tomography (CT) involves continuous patient translation during x-ray source rotation and data acquisition. As a result, a volume data set is obtained in a relatively short period of time. For chest or abdominal scanning, an entire examination can be completed in a single breath hold of the patient or in several successive short breath holds. The data volume may be viewed as conventional transaxial images or with multiplanar and three-dimensional methods. The authors review the technologic aspects of spiral CT, as well as its advantages, limitations, and current clinical applications.

Original languageEnglish (US)
Pages (from-to)647-656
Number of pages10
Issue number3
StatePublished - Jan 1 1993


  • Abdomen, CT
  • Blood vessels, CT
  • Bones, CT
  • Computed tomography (CT), helical
  • Head, (CT)
  • Muscles
  • State-of-art reviews
  • Thorax

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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