European Journal of Radiology
Volume 52, Issue 2 , Pages 180-184, November 2004

Volumetric expiratory high-resolution CT of the lung

Department of Radiology, Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, MA 02215, USA

Received 10 September 2003; received in revised form 17 October 2003; accepted 20 October 2003.

Abstract 

We developed a volumetric expiratory high-resolution CT (HRCT) protocol that provides combined inspiratory and expiratory volumetric imaging of the lung without increasing radiation exposure, and conducted a preliminary feasibility assessment of this protocol to evaluate diffuse lung disease with small airway abnormalities. The volumetric expiratory high-resolution CT increased the detectability of the conducting airway to the areas of air trapping (P<0.0001), and added significant information about extent and distribution of air trapping (P<0.0001).

Keywords:  CT, Lung, High-resolution CT, Expiratory high-resolution CT, Volumetric

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PII: S0720-048X(03)00318-8

doi:10.1016/j.ejrad.2003.10.018

European Journal of Radiology
Volume 52, Issue 2 , Pages 180-184, November 2004

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