CT of the Retroperitoneum: From Conventional to Multi-energy - download pdf or read online

By Giorgio Ascenti, Angelo Vanzulli, Carlo Catalano, Rendon C. Nelson

ISBN-10: 8847054680

ISBN-13: 9788847054684

ISBN-10: 8847054699

ISBN-13: 9788847054691

This ebook offers a accomplished and up to date review of the constantly evolving box of dual-energy CT (DECT). An introductory part provides info at the actual and technical history of DECT and considers nonspecific and particular software program benefits. scientific purposes of DECT within the assessment of retroperitoneal viscera are then addressed intimately with the aid of top of the range illustrations. specific awareness is dedicated to the newest DECT examine protocols, software program, and purposes in aortic, renal, pancreatic, and adrenal ailment. a couple of case reports are pronounced that elucidate some great benefits of DECT, and the suitable literature is broadly mentioned. The booklet closes via contemplating radiation dose and dose-saving measures. the easy and functional procedure provided by means of this booklet will help radiologists within the optimum regimen use and interpretation of DECT in several retroperitoneal websites and radiology technologists within the selection of settings and parameters.

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New PDF release: CT of the Retroperitoneum: From Conventional to Multi-energy

This ebook presents a finished and updated review of the regularly evolving box of dual-energy CT (DECT). An introductory part offers details at the actual and technical history of DECT and considers nonspecific and particular software program benefits. medical purposes of DECT within the evaluate of retroperitoneal viscera are then addressed intimately with assistance from fine quality illustrations.

Additional info for CT of the Retroperitoneum: From Conventional to Multi-energy Imaging

Example text

Previously detected by US examination) has to be characterized the best CT phase for performing the dual-energy scan is the nephrographic phase. In this setting, all advantages of dual-energy CT images in the enhancement analysis can be exploited. 3 Spectral CT: Study Protocols and Clinical Applications 35 Fig. 17 Standard 120-kVp (on the left) and corresponding dual-energy color-coded iodine overlay (on the right) images of a phantom containing a vial of water immersed in an iodine solution (20 mg/mL).

Therefore, growth is not a feature of the Bosniak renal cyst classification [22–27]. The recommended interval for follow-up examinations is to obtain a CT scan or MR imaging examination at 6 and 12 months, followed by yearly examinations for a minimum of 5 years. However, there is no known time interval of stability that can be used to diagnose a renal mass as benign with complete certainty. However, whether a Bosniak category IIF lesion has not significantly morphologically changed in a period of 5 years, it is likely benign [22].

The result is an image in which iodine signal is magnified, while optimizing contrast differences and minimizing image noise. Several non-linear-blending functions including a binary-blending function, a slope blending function, a Gaussian function, and a modified sigmoid function have been developed. Recently, a piecewise linear-blending function method has been commercially implemented in the dual-source platform (labeled as ‘‘Optimum Contrast’’). A recent study has demonstrated that, compared with a standard linear-blending reconstruction algorithm, a piecewise linear-blending function method leads to significantly improve tumor conspicuity and enable better image quality in the evaluation of renal masses at DECT during nephrographic phase of enhancement [51].

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CT of the Retroperitoneum: From Conventional to Multi-energy Imaging by Giorgio Ascenti, Angelo Vanzulli, Carlo Catalano, Rendon C. Nelson


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