Get Focal Liver Lesions Medical Radiology PDF

By Lencioni Riccardo

ISBN-10: 3540644644

ISBN-13: 9783540644644

Few fields of drugs have witnessed such awesome growth because the prognosis and therapy of liver tumors. Advances in imaging know-how, the improvement of novel distinction brokers, and the creation of optimized scanning protocols have vastly facilitated the non-invasive detection and characterization of focal liver lesions. additionally, image-guided suggestions for percutaneous tumor ablation became an permitted replacement remedy for sufferers with inoperable liver melanoma. This publication presents a finished and up to date assessment of the position of diagnostic and interventional radiology in appreciate of liver tumors. the amount strikes from historical past sections on method and segmental liver anatomy to the most sections at the prognosis of benign and malignant liver lesions. An built-in technique, excited by the correlation of ultrasound, CT, and MR imaging findings, is gifted. eventually, an entire part describes the rules, equipment, and result of percutaneous tumor ablation techniques.

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Extra resources for Focal Liver Lesions Medical Radiology

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In particular three different detector array designs are currently available: ”matrix”, ”adaptive” and ”hybrid” detector arrays. ”Matrix” detectors consist of parallel rows of equal thickness; ”adaptive” detectors use detector rows with varying thickness. In the former type, the width of detector elements determines the thinnest possible section thickness and thicker sections are obtained by adding the signal from neighbouring detector rows; in contrast, in the latter type, various section thicknesses can be gained using partial collimation and addition of signal of adjacent rows.

Fat suppression is another tool to reduce motion artifacts, in particular to eliminate those concentric hyperintense lines superimposed on abdominal organs produced by movement of the abdominal wall (Barish and Jara 1999; Low et al. 1994). On the other hand, strong gradients accelerate image encoding times and enable fast and ultrafast imaging, including fast dynamic, parallel and echo-planar imaging. Fast imaging with breath hold sequences allows the elimination of the respiratory artifacts and blurring, and greatly reduces the acquisition time.

Eur J Radiol 36:74–80 Saini S, Dsouza RV (2003) Optimizing technique for multislice CT. Eur Radiol 13:M21–M24 Schoellnast H, Tillich M, Deutschmann HA et al (2004) Improvement of parenchymal and vascular enhancement using saline flush and power injection for multiple-detector-row abdominal CT. Eur Radiol 14:659–664 Sheiman RG, Raptopoulos V, Caruso P, et al (1996) Comparison of tailored and empiric scan delays for CT angiography of the abdomen. AJR Am J Roentgenol 167:725–729 Uggowitzer MM (2003) What is the current situation in liver imaging?

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Focal Liver Lesions Medical Radiology by Lencioni Riccardo


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