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Mehrschicht-CT-Urographie

Aspekte zur Durchführung und klinischen Anwendung

Multislice CT urography

Aspects for technical management and clinical application

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Zusammenfassung

Mit der Einführung der Mehrzeilentechnik (MSCT) und ihrer bekannten Vorteile ist es möglich geworden, den gesamten Harntrakt in dünner Kollimation in einer Atemanhaltephase zu erfassen. Die CT-Datenakquisition während der urographischen KM-Phase zur zusammenhängenden Abbildung des gesamten oberen Harntrakts wird „Mehrschicht-CT-Urographie“ (MSCTU) genannt.

Aus einem Volumendatensatz lassen sich multiplanare Rekonstruktionen (MPR), Maximum-Intensitäts-Projektionen (MIP) sowie Average-Intensitäts-Projektionen (AIP) zur Darstellung des Urogenitaltrakts berechnen. Die MSCTU wird zukünftig eine wichtige Rolle in der modernen Uroradiologie spielen. Dieser Artikel beschreibt technische Aspekte zum Untersuchungsablauf der MSCTU und nennt zusätzlich potenzielle Indikationen zur klinischen Anwendung.

Abstract

The introduction of multislice computed tomography with its well-known advantages has made it possible to visualize the entire urinary tract with thin collimation during a breath-holding phase. CT data acquisition during urographic contrast enhancement for contiguous imaging of the entire upper urinary tract is termed “multislice CT urography” (MSCTU).

Multiplanar reconstructions, maximum intensity projections, and average intensity projections can be rendered from the volume datasets to view the urogenital tract. MSCTU will play an important role in the future of modern uroradiology. This article describes the technical aspects involved in the course of the MSCTU examination and identifies additional potential indications for clinical application.

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  1. Radiologisches Zentrum, Klinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Hamburg-Eppendorf

    J. Kemper, G. Adam & C. Nolte-Ernsting

  2. Radiologisches Zentrum, Klinik für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg

    J. Kemper

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  1. J. Kemper
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Correspondence to J. Kemper.

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Kemper, J., Adam, G. & Nolte-Ernsting, C. Mehrschicht-CT-Urographie. Radiologe 45, 905–914 (2005). https://doi.org/10.1007/s00117-005-1210-5

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