Author(s): Jananai Parkkunam
Ultrasonography has established itself has a use-ful tool in evaluating and managing thyroid disor-ders. This article provides an overview of basic principles of ultrasound, how it is used in differ-ent thyroid disorders, different sonographic pattern of thyroid disorders, comparative fea-tures of malignant and benign nodule, ultra-sound features of diffuse thyroid disorders and congenital thyroid disorders, ultrasound guided FNAC, advanced techniques of ultrasound in thy-roid imaging.