[Ultrasound Examination of the Thyroid Gland - Step by Step].

Thyroid disorders are among the most common endocrine alterations. Ultrasound examination of the thyroid gland is a rapid and radiation-free method, adding important information to a patient's medical history, physical examination, and laboratory results. This article describes a practical approach to an ultrasound examination in a step by step manner. The most important findings and most common causes of thyroid disorders are discussed on the basis of typical images.