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Contrast-Enhanced Abdominal Angiographic CT for Intra-abdominal Tumor Embolization: A New Tool for Vessel and Soft Tissue Visualization

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Abstract

C-Arm cone-beam computed tomography (CACT), is a relatively new technique that uses data acquired with a flat-panel detector C-arm angiography system during an interventional procedure to reconstruct CT-like images. The purpose of this Technical Note is to present the technique, feasibility, and added value of CACT in five patients who underwent abdominal transarterial chemoembolization procedures. Target organs for the chemoembolizations were kidney, liver, and pancreas and a liposarcoma infiltrating the duodenum. The time for patient positioning, C-arm and system preparation, CACT raw data acquisition, and data reconstruction for a single CACT study ranged from 6 to 12 min. The volume data set produced by the workstation was interactively reformatted using maximum intensity projections and multiplanar reconstructions. As part of an angiography system CACT provided essential information on vascular anatomy, therapy endpoints, and immediate follow-up during and immediately after the abdominal interventions without patient transfer. The quality of CACT images was sufficient to influence the course of treatment. This technology has the potential to expedite any interventional procedure that requires three-dimensional information and navigation.

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Authors and Affiliations

  1. Klinik und Hochschulambulanz für Radiologie und Nuklearmedizin, Campus Benjamin Franklin, Charité–Universitätsmedizin Berlin, Hindenburgdamm 30, 12200, Berlin, Germany

    Bernhard Christian Meyer, Bernd Benedikt Frericks, Thomas Albrecht, Karl-Jürgen Wolf & Frank Klaus Wacker

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  1. Bernhard Christian Meyer
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  2. Bernd Benedikt Frericks
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  3. Thomas Albrecht
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  4. Karl-Jürgen Wolf
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  5. Frank Klaus Wacker
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Correspondence to Bernhard Christian Meyer.

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Meyer, B.C., Frericks, B.B., Albrecht, T. et al. Contrast-Enhanced Abdominal Angiographic CT for Intra-abdominal Tumor Embolization: A New Tool for Vessel and Soft Tissue Visualization. Cardiovasc Intervent Radiol 30, 743–749 (2007). https://doi.org/10.1007/s00270-007-9029-2

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  • DOI: https://doi.org/10.1007/s00270-007-9029-2

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