Skin ultrasound - the principle of examination does not differ from other types of ultrasound examinations. However, the operation of this device is based on high frequency ultrasound waves, which enables the assessment of the condition of the skin. To perform it, high frequency probes are required, which are not available by using regular ultrasound devices. Skin ultrasound is very important for the examination of different skin and subcutaneous lesions of the face and body, for the determining of the size and localisation of such lesions in the medium layer of the skin - dermis. The device allows to diagnose various skin diseases, as well as to monitor the efficiency of therapy. The performance of ultrasound examination requires a couple of seconds and does not produce radiation that is harmful for health.