Comparison of angular and combined automatic tube current modulation techniques with constant tube current CT of the abdomen and pelvis

Stefania Rizzo, Mannudeep Kalra, Bernhard Schmidt, Tejas Dalal, Christoph Suess, Thomas Flohr, Michael Blake, Sanjay Saini

Research output: Contribution to journalArticlepeer-review

Abstract

OBJECTIVE. The objective of our study was to compare image quality and radiation dose associated with abdominopelvic CT using combined modulation, angular modulation, and constant tube current. CONCLUSION. Compared with using a constant tube current to scan the abdomen and pelvis, the use of a combined modulation technique results in a substantial reduction (42-44%) in radiation dose with acceptable image noise and diagnostic acceptability.

Original languageEnglish
Pages (from-to)673-679
Number of pages7
JournalAmerican Journal of Roentgenology
Volume186
Issue number3
DOIs
Publication statusPublished - Mar 2006

Keywords

  • Abdomen
  • CT technique
  • Pelvis
  • Radiation dose
  • Tube current modulation

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

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