The authors have examined ultrasound echograms and photographs of the skin and subcutaneous tissue changes in some skin diseases, reporting their findings. In spite of the preliminary clinical casuistry, this quick, simple and painless technique without irradiation hazard to the patient shows the advantage relating to the other techniques, routine roentenography especially. In conclusion, it is the authors' opinion that the improved scanning technique and greater experience should offer such valuable results, used as an additional method in dermatological diagnostics.