Nathan Peled MD, Presenter: Nothing to Disclose

Val Silvian MD, Abstract Co-Author: Nothing to Disclose

Tamar Gaspar MD, Abstract Co-Author: Nothing to Disclose

To describe the benefits of the new 64-slice CT scanner in a pediatric population compared to the existing 16-Slice CT scanners.

Between January 2005 and April 2005, 68 children aged 1 day to 17 years (mean 5 years and 5 month) underwent CT scans for a variety of clinical questions. The scans included 35 brain CT’s, 29 CT’s of the neck, chest or abdomen, 14 CT’s of the petrous bone, para-nasal sinus or orbits, 6 CT’s of bone and joints,3 CTA and 6 virtual bronchoscopies.

There were no failed examinations. Doses were at least 15-20% less for the same slice width reconstruction compare to the 16-slice scanner. Sedation rate and sedation length were markedly reduced. Motion artifact was significantly reduced and image quality was therefore consistently good including in non-sedated, uncooperative patients due to the markedly reduced scan length: 2-5 seconds for head CT, 1.5-3 seconds for chest CT and up to 15 seconds for s total body CTA. Bolus injection was reduced up to 50%.

The newly released 64-slice CT scanner is superior in pediatric use compared to existing Multislice scanners due to lower radiation doses, reduced need and length of sedation and markedly improved image quality.

Peled, N, Silvian, V, Gaspar, T, Initial Experience with 64-slice CT in a Pediatric Population.  Radiological Society of North America 2005 Scientific Assembly and Annual Meeting, November 27 - December 2, 2005 ,Chicago IL. http://archive.rsna.org/2005/4418357.html