By Luigi Bolondi
In fresh years, the imaging-based prognosis of mass liver lesions has turn into more and more advanced as a result quantity and morphological variability of lesions that smooth imaging concepts are presently in a position to reveal. If the sensitivity in detection has enormously elevated, characterisation has remained tough and represents a severe problem for the clinician.
The availability of blood-pool distinction brokers for ultrasound (US), specifically second-generation US distinction brokers in keeping with perfluorocarbon- or sulfur-hexafluoride-filled microbubbles, and the improvement of contrast-specific software program and applied sciences have unfolded new views either for the instant characterisation of any mass lesion detected within the liver and for expanding the sensitivity folks within the detection of liver metastases.
Taking under consideration the nice influence of this new know-how on medical perform, the ecu Federation of Societies for Ultrasound in drugs and Biology (EFSUMB) organised, in January 2004, in Rotterdam, a consensus assembly of specialists with the intention to improve guidance for using US distinction brokers within the analysis of liver illnesses . those directions, in addition to discussions of extra advances within the scientific program of contrast-enhanced harmonic US are awarded during this booklet through an the world over well known crew of specialists. The publication represents presents an immense place to begin for scientific implementation of this new diagnostic procedure.
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Extra info for Advances in Diagnostic Imaging: The Value of Contrast-Enhanced Ultrasound for Liver
Arch Surg 136(9):1033-1038 Ishak KG, Rabin L (1975) Benign tumors of the liver. Med Clin North Am 59:995-1013 Uggowitzer MM, Kugler C, Mischinger HJ et al (1999) Echoenhanced Doppler sonography of focal nodular hyperplasia of the liver. J Ultrasound Med 18(7): 445-451; quiz 453-454 Wang Y,Wang WP, Ding H et al (2004) Resistance index in differential The Role of Contrast-Enhanced Ultrasound (CEUS) in Identifying Focal Liver Lesions 33. 34. 35. 36. diagnosis of liver lesions by color doppler ultrasonography.
Surgical resection and liver transplantation still offer the best overall 5-year survival rate of approximately 30% . However, only a limited number of patients, of less than 20%, can benefit from radical surgical treatments due to altered liver function and HCC extension and tumor volume. Percutaneous ablation using either ethanol injection or radiofrequency ablation (RFA) represents an alternative therapy to cure HCC when the number and size 50 Jean-Michel Correas et al. of the lesions is limited in Child A or B patients.
13. Typical FNH, still hyperenhancing during late phase (d). Note the central scar. a Arterial phase (19s), b Arterial phase (21s), c PV phase (96s),d Late phase (159s) a b c d 34 Hans Peter Weskott Fig. 14. Accompanying the hepatic arteries, the central major portal-venous branches are already contrast-enhanced We have observed three patients (two female, one male, all between 50 and 55 years) with histological proven FNH, which showed marked wash-out during PV and late phases. CT, MR, and, in one case, (Fig.
Advances in Diagnostic Imaging: The Value of Contrast-Enhanced Ultrasound for Liver by Luigi Bolondi