[Potentials and limits of ultrasonic diagnosis for the in vivo determination of the depth of invasion of malignant melanoma].

By means of ultrasound, non invasive determination of the depth of invasion of the malignant melanoma in vivo has been accomplished for the first time. This paper illustrates the technique of ultrasound - generation, detection and the reproduction of sound waves - and defines the process of measurement and the amplitudes of ultrasound pictures. The results of the comparative study ultrasound/histometrication show a high degree of correlation, with distinguishing characteristics.