Issue Title: ECR 2003, Vienna, Austria, March 7-9, 2003 Contrast optimization in MRI. Advances in vascular and cardiac MDCT imaging. Contrast ultrasound: A new modality for abdominal imaging When evaluating focal liver disease, a variety of imaging modalities and recent techniques can be used, depending on the patient's history, the clinical suspicion to be addressed, the probability of a certain disease, as well as the availability and the radiologist's personal knowledge of a certain imaging method. Because of these factors, no rigid diagnostic algorithm can be given. Nevertheless, specific contrast agents and tailored dynamic imaging protocols are prerequisites for obtaining optimal results.PUBLICATION ABSTRACT