[Ultrasonic spectroscopic examinations of pathologically altered testes]

The sonographic differentation of solidly growing and displacing processes is discussed so far only with a high factor of insecurity. The ultrasonic spectroscopy makes it possible for an approximate differentation of the tissue in the experimental investigations in vitro by the reception of bioacoustic parameters. Certainly some questions are open in case of the different forms of neoplasia of the testes. The spreading of the impulse sound field in the tissue cannot be described exactly up to today, because of the indistinct acoustic qualities of the structure in the macroscopic and microscopic region. The clearing of the biophysical reciprocity between sound field and tissue stands in the foreground of the future investigations. The ultrasonic spectroscopy performs despite of the open problems a constructive share to the findings in pathological processes of the testes.