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has been cited by the following article:

• TITLE: Dose Efficiency in Dual Source High-Pitch Computed Tomography of the Chest

  AUTHORS: Boris Bodelle, Thomas Lehnert, Martin Beeres, Thomas Josef Vogl, Boris Schulz

  KEYWORDS: Computed Tomography, Lung, Radiation Exposure, Imaging, Dual-Source

  JOURNAL NAME: Advances in Computed Tomography, Vol.3 No.4, November 27, 2014

  ABSTRACT: Objectives: Evaluation of radiation efficiency of dual source high-pitch (DSHP) chest CT in comparison to single source technique with special regards to individual patient anatomy. Methods: 150 consecutive patients who underwent chest CT with automated tube current modulation were evaluated retrospectively and divided into three study groups, each with an equal quantity of 50 patients (DSHP vs. single source 128 slices vs. single source 16 slices). By using a dedicated workstation, volumetric analyses of each of the scanned anatomic area were performed and correlated to the individual dose length product (DLP). The calculated result was defined as dose efficiency. Results: DLP was 203 mGycm (DSHP), vs. 269 mGycm (single source) vs. 273 mGycm (16 slice CT). The total patient volume was lowest in the dual source group with 18956.3 cm3 (vs. 22481.2 cm3 vs. 22133.8 cm3). With regards to the DLP, the calculated dose efficiency of dual source CT was better than the 128 slice CT (p = 0.045) and the 16 slice CT (p