Contrast-enhanced ultrasound in clinical practice: liver, by Thomas Albrecht, Lars Thorelius, Luigi Solbiati, Luca Cova,

By Thomas Albrecht, Lars Thorelius, Luigi Solbiati, Luca Cova, Ferdinand Frauscher, M. Hörmann

The price of ultrasound distinction brokers (USCA) in daily scientific perform relies on 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 face up to the acoustic strain of insonation far better than first-generation distinction media, which leads to an elevated half-life of the agent and, accordingly, in a chronic diagnostic window. Concomitant with the advance of distinction brokers, diverse contrast-specific imaging modalities were built which, utilized in blend with USCA and a low mechanical index, let non-stop real-time grey-scale imaging. those fresh technical advancements have opened new probabilities within the use of USCA in numerous symptoms. Written via the world over well known specialists, the contributions amassed during this e-book supply an summary of present and attainable destiny new purposes of USCA in regimen and medical perform.

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Contrast-enhanced ultrasound in clinical practice: liver, prostate, pancreas, kidney and lymph nodes

The price of ultrasound distinction brokers (USCA) in daily medical 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.

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C CEUS of pancreas cancer (marked by yellow dots) 27 28 Lars Thorelius CT depicts the tumor covering the entire head of the pancreas, which is also well delineated as a rounded mass on non-enhanced US images (small tumors can actually often be visualized better by non-enhanced US than CT). The key information provided by CEUS was therefore not the delineation of the mass,but the delineation of viable tissue and vascularization, which is valuable information for the performance of a biopsy, as it shows where not to stick the needle.

Stamey TA (1995) Making the most out of six systematic sextant biopsies. Urology 45:2-12 7. Eskew LA, Bare RL, McCullough DL (1997) Systematic 5 region prostate biopsy is superior to sextant method for diagnosing carcinoma of the prostate. J Urol 157:199-202 61 62 Ferdinand Frauscher 8. Djavan B, Kadesky K, Klopukh B et al (1998) Gleason scores from prostate biopsies obtained with 18-gauge biopsy needles poorly predict Gleason scores of radical prostatectomy specimens. Eur Urol 33:261-270 9. Naughton CK, Miller DC, Mager DE et al (2000) A prospective randomized trial comparing 6 versus 12 prostate biopsy cores: impact on cancer detection.

Prostate 16:39-48 3. Rifkin MD, Friedland GW, Shortliffe L (1986) Prostatic evaluation by transrectal endosonography: detection of carcinoma. Radiology 158:85-90 4. AJR Am J Roentgenol 174:623-627 5. Hodge KK, McNeal JE, Terris MK, Stamey TA (1989) Discussion 74Random systematic versus directed ultrasound guided transrectal core biopsies of the prostate. J Urol 142:71 6. Stamey TA (1995) Making the most out of six systematic sextant biopsies. Urology 45:2-12 7. Eskew LA, Bare RL, McCullough DL (1997) Systematic 5 region prostate biopsy is superior to sextant method for diagnosing carcinoma of the prostate.

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