[New methods in abdominal ultrasound: do they have a clinical value? Panoramic imaging, harmonic imaging technologies and contrast medium enhanced ultrasound].

Important improvements and technical developments in ultrasonography during the last years have been made. The aim of this article is to describe the new techniques in ultrasonography, such as SieScape, Color-SieScape, 3-D-power-Doppler, tissue harmonic imaging, second harmonic imaging, phase inversion ultrasonography and contrast media to demonstrate their clinical implications.