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3D imaging with an isocentric mobile C-arm

Comparison of image quality with spiral CT

  • Musculoskeletal
  • Published:
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Abstract

The purpose of this study was to evaluate the image quality of the new 3D imaging system (ISO-C-3D) for osteosyntheses of tibial condylar fractures in comparison with spiral CT (CT). Sixteen human cadaveric knees were examined with a C-arm 3D imaging system and spiral computed tomography. Various screws and plates of steel and titanium were used for osteosynthesis in these specimens. Image quality and clinical value of multiplanar (MP) reformatting of both methods were analyzed. In addition, five patients with tibial condylar fractures were examined for diagnosis and intra-operative control. The image quality of the C-arm 3D imaging system in the cadaveric study was rated as significantly worse than that of spiral CT with and without prostheses. After implantation of prostheses an increased incidence of artifacts was observed, but the diagnostic accuracy was not affected. Titanium implants caused the smallest number of artifacts. The image quality of ISO-C is inferior to CT, and metal artifacts were more prominent, but the clinical value was equal. ISO-C-3D can be useful in planning operative reconstructions and can verify the reconstruction of articular surfaces and the position of implants with diagnostic image quality.

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Authors and Affiliations

  1. Departments of Radiology and Surgery, Klinikum der Universität München, Innenstadt, Nussbaumstrasse 20, 80336, Munchen, Germany

    Dorothea Kotsianos, Stefan Wirth, Tanja Fischer, Ekkehard Euler, Clemens Rock, Ulrich Linsenmaier, Klaus Jürgen Pfeifer & Maximilian Reiser

Authors
  1. Dorothea Kotsianos
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  2. Stefan Wirth
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  3. Tanja Fischer
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  4. Ekkehard Euler
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  5. Clemens Rock
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  6. Ulrich Linsenmaier
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  7. Klaus Jürgen Pfeifer
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  8. Maximilian Reiser
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Correspondence to Dorothea Kotsianos.

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Kotsianos, D., Wirth, S., Fischer, T. et al. 3D imaging with an isocentric mobile C-arm. Eur Radiol 14, 1590–1595 (2004). https://doi.org/10.1007/s00330-004-2316-2

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  • DOI: https://doi.org/10.1007/s00330-004-2316-2

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