Dual energy subtraction: Principles and clinical applications

Received 1 March 2009; accepted 23 March 2009.

Abstract

Two technical solutions using single or dual shot offer different advantages and disadvantages for dual energy subtraction. The principles of these are explained and the main clinical applications with results are demonstrated. Elimination of overlaying bone and proof or exclusion of calcification are the primary aims of energy subtraction chest radiography, offering unique information in different clinical situations.

Keywords: Energy subtraction, Chest radiography, Calcification, Nodule

Dept. of Diagnostic, Interventional and Paediatric Radiology, University of Bern, Inselspital, CH-3010 Bern, Switzerland

Corresponding author. Tel.: +41 31 6322435; fax: +41 31 6324678.

PII: S0720-048X(09)00173-9

doi:10.1016/j.ejrad.2009.03.046

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