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The value of ultrasound contrast agents (USCA) in clinical practice depends on the pharmacokinetics, the signal processing, and the contrast-specific imaging modalities. USCA are exogenous non-toxic substances smaller than red blood cells,which after intravenous administration must be stable enough to pass through the pulmonary capillary bed and enter the blood pool producing the necessary contrast enhancement for the duration of the examination. Recently, second-generation agents, such as SonoVue (Bracco Imaging SpA,Milan,Italy),have been introduced into the market. These agents,taking…mehr

Produktbeschreibung
The value of ultrasound contrast agents (USCA) in clinical practice depends on the pharmacokinetics, the signal processing, and the contrast-specific imaging modalities. USCA are exogenous non-toxic substances smaller than red blood cells,which after intravenous administration must be stable enough to pass through the pulmonary capillary bed and enter the blood pool producing the necessary contrast enhancement for the duration of the examination. Recently, second-generation agents, such as SonoVue (Bracco Imaging SpA,Milan,Italy),have been introduced into the market. These agents,taking advantage of the stability of their microbubbles,withstand the acoustic pressure of insonation much better than previous USCA,resulting in an increased half-life of the agent and thus in a prolonged diagnostic window. These agents are blood pool agents that remain in the intravascular compartment and do not leak into the organ tissue. Therefore,they are used to - crease the Doppler signal amplitude during their dynamic vascular phase. Concomitant with the improvement of contrast agents,d- ferent contrast-specific imaging modalities have been developed which,used in combination with USCA and a low mechanical - dex (MI),allow continuous real-time grey-scale imaging. These - cent technical improvements have opened new possibilities in the use of USCA in a variety of indications,as shown in the contributions contained in this book. In the following chapters,some of the most distinguished users of second-generation USCA will share their knowledge and experience. The first contributor is Dr. Thomas Albrecht,Department of - diology, University Hospital of Berlin, Germany.
  • Produktdetails
  • Verlag: Springer, Berlin
  • Erscheinungstermin: 12. Januar 2005
  • Englisch
  • Abmessung: 236mm x 157mm x 7mm
  • Gewicht: 190g
  • ISBN-13: 9788847003040
  • ISBN-10: 8847003040
  • Artikelnr.: 13877822
Autorenporträt
Thomas Albrecht, Freie Universität Berlin, Germany / Lars Thorelius, Universitetssjukhuset Linkoping, Sweden / Luigi Solbiati, Servizio di Ecografia e Radiologia Interventisitica, Ospedale di Circolo, Busto Arsizio Varese, Italy / Luca Cova, Servizio di Ecografia e Radiologia Interventisitica, Ospedale di Circolo, Busto Arsizio Varese, Italy / Ferdinand Frauscher, University Hospital Innsbruck, Austria
Inhaltsangabe
Chapter 1-Dynamic Vascular Pattern of Focal Liver Lesions with Contrast-Enhanced Ultrasound: Latest Results with SonoVue. Chapter 2-Usefulness of Contrast-Enhanced Ultrasound in Characterization of Pancreatic and Renal Masses. Chapter 3-Improved Characterization of Reactive and Malignant Lymph Nodes using Contrast-Enhanced Ultrasound. Chapter 4-Which Role for Contrast-Enhanced Ultrasound in Prostate Cancer Examination?