By Thomas Albrecht, Lars Thorelius, Luigi Solbiati, Luca Cova, Ferdinand Frauscher, M. Hörmann
The worth of ultrasound distinction brokers (USCA) in daily scientific perform depends upon the pharmacokinetics, the sign processing, and the contrast-specific imaging modalities. Second-generation USCA, are blood pool brokers that don't leak into the organ tissue to be tested yet stay within the intravascular compartment expanding the Doppler sign amplitude in the course of their dynamic vascular part. making the most of the soundness in their microbubbles, they could stand up to the acoustic strain of insonation far better than first-generation distinction media, which ends up in an elevated half-life of the agent and, hence, in a protracted diagnostic window. Concomitant with the advance of distinction brokers, assorted contrast-specific imaging modalities were built which, utilized in blend with USCA and a low mechanical index, enable non-stop real-time grey-scale imaging. those fresh technical advancements have opened new percentages within the use of USCA in a number of symptoms. Written through across the world well known specialists, the contributions accumulated during this publication supply an outline of present and attainable destiny new functions of USCA in regimen and scientific perform.
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Extra resources for Contrast-enhanced ultrasound in clinical practice: liver, prostate, pancreas, kidney and lymph nodes
Radiology 222:361-366 20. Halpern EJ, Frauscher F, Rosenberg M, Gomella LG (2002) Directed biopsy during contrast-enhanced sonography of the prostate. AJR Am J Roentgenol 178:915-919 21. AJR Am J Roentgenol 174:1575-1580 22. Louvar E, Littrup PJ, Goldstein A et al (1998) Correlation of color Doppler flow in the prostate with tissue microvascularity. Cancer 183:135-140 23. Goossen TE, de la Rosette JJ, Hulsbergen-van de Kaa CA et al (2003) The value of dynamic contrast enhanced ultrasound imaging in the localization of prostate cancer.
Quaia E, Stacul F, Gaiani S et al (2004) Comparison of diagnostic performance of unenhanced vs SonoVue - enhanced ultrasonography in focal liver lesions characterization. The experience of three Italian centers. Radiol Med 108(1-2):71-81 6. Dietrich CF (2004) Characterisation of focal liver lesions with contrast enhanced ultrasonography. Eur J Radiol 51(Suppl):S9-17 7. Thorelius L (2004) Contrast-enhanced ultrasound for extrahepatic lesions: preliminary experience. Eur J Radiol 51(Suppl):S31-38 35 LUIGI SOLBIATI, LUCA COVA Chapter 3 Improved Characterization of Reactive and Malignant Lymph Nodes Using Contrast-Enhanced Ultrasound LUIGI SOLBIATI, LUCA COVA Department of Radiology, General Hospital Busto Arsizio, Varese, Italy ■ Introduction Contrast-enhanced ultrasound (CEUS), using second generation contrast agents such as SonoVue, permits the use of the low mechanical index required for the detailed visualization of the vascularity of lymph nodes which can be detected with grayscale harmonic imaging techniques.
Echocardiography 17:(Suppl 6 part 2):S11-S16 20. Castelijns JA, van den Brekel MWM (2002) Imaging of lymphadenopathy in the neck. Eur Radiol 12:727-738 FERDINAND FRAUSCHER Chapter 4 What Role for Contrast-Enhanced Ultrasound in Prostate Cancer Examination? FERDINAND FRAUSCHER Department of Radiology, University Hospital Innsbruck, Innsbruck, Austria Prostate cancer is the most commonly diagnosed malignancy in men. Early diagnosis is essential to provide definitive treatment and improve patient survival.