[Ultrasonography of the thyroid gland].

Ultrasonography takes an important place in the diagnostics of thyroid gland diseases. It is a contemporary, uninvasive method of examination, very comfortable for the patient. By applying this examination method it is possible to attain useful data which are related to morphological changes in the gland, while in regard to the functional condition of this organ, it does not present any information. The paper presents ultrasonographic features of individual thyroid gland pathological conditions. The use of puncture under the control of ultrasound can considerably improve the aspiration cito-diagnostics of the thyroid gland.