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Small Bowel

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Multislice-CT of the Abdomen

Part of the book series: Medical Radiology ((Med Radiol Diagn Imaging))

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Abstract

Multidetector CT (MDCT), over the past decade, has become the primary imaging modality for evaluating gastrointestinal tract disorders, particularly in the small bowel. MDCT offers panoramic and high-resolution images, it is widespread available and the technique is robust, reproducible and accurate. Careful patient preparation is required, because of the need for bowel distension, achievable through the use of an enteral contrast agent (neutral or positive) delivered either orally (MDCT-enterography) or through a naso-jejunal tube (MDCT-enteroclysis). Scanning protocol is fast and thanks to new devices (automatic dose modulator systems) and/or new image reconstruction methods (iterative algorithms) able to deliver a very low amount of radiation, especially important when imaging young individuals. The most common clinical indication is represented by the evaluation of patients with Inflammatory Bowel Disease, both at the time of the diagnosis and in follow-up, where MDCT is able to provide an accurate balance of the disease: extent of the bowel involvement, assessment of disease activity and potential complications. The detection of small bowel tumours is another important indication where MDCT represents, in some cases, the only method to investigate small bowel loops and in any case the best method for staging neoplastic lesions. An additional reason to perform MDCT of the small bowel is the evaluation of malabsorption syndromes.

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Authors and Affiliations

  1. Department of Radiological Sciences, Oncology and Pathology, Sapienza-University of Rome, Viale Regina Elena 324, 00161, Rome, Italy

    Franco Iafrate, Paola Lucchesi, Maria Ciolina & Paolo Baldassari

  2. Department of Radiological Sciences, Oncology and Pathology, Sapienza-University of Rome, Via Franco Faggiana 34, 04100, Latina, Italy

    Marco Rengo & Andrea Laghi

Authors
  1. Franco Iafrate
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  2. Marco Rengo
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  3. Paola Lucchesi
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  4. Maria Ciolina
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  5. Paolo Baldassari
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  6. Andrea Laghi
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Corresponding author

Correspondence to Andrea Laghi .

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Editors and Affiliations

  1. , Department of Clinical Radiology, Munich University Hospitals - Grosshader, Marchioninistraße 15, Munich, 81377, Germany

    Christoph Johannes Zech

  2. Department of Oncology, Dept. Transplants and Advanced Technolog, University of Pisa, Via Paradisa 2, Pisa, 56127, Italy

    Carlo Bartolozzi

  3. , Department of Radiology, The University of Chicago, 5841 S. Maryland Ave MC 2026, Chicago, 60611, USA

    Richard Baron

  4. , Department of Clinical Radiology, Munich University Hospitals - Grosshader, Marchioninistraße 15, Munich, 81377, Germany

    Maximilian F. Reiser

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Iafrate, F., Rengo, M., Lucchesi, P., Ciolina, M., Baldassari, P., Laghi, A. (2011). Small Bowel. In: Zech, C., Bartolozzi, C., Baron, R., Reiser, M. (eds) Multislice-CT of the Abdomen. Medical Radiology(). Springer, Berlin, Heidelberg. https://doi.org/10.1007/174_2011_429

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  • DOI: https://doi.org/10.1007/174_2011_429

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-17862-7

  • Online ISBN: 978-3-642-17863-4

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