A medical ultrasound system comprises an ultrasound transducer (1) for emitting and receiving ultrasound, and a processor (51). The ultrasound transducer (1) is electrically connected to the processor (51), and the processor (51) is configured to determine an ultrasound based tomographic image subject to ultrasound waves (usr) received by the ultrasound transducer (1) in response to ultrasound waves emitted by the ultrasound transducer (1) and scattered and/or reflected by tissue to be investigated.