Thyroid Ultrasound and Ultrasound-Guided FNA Biopsy

Over the past two decades ultrasound has undergone numerous advances in technology such as gray-scale imaging, real-time sonography, high resolution 7.5-10 MHz transducers, and color-flow Doppler. This makes ultrasound unsurpassed in its ability to provide very accurate images of the thyroid gland quickly, inexpensively, and safely. However, in spite of these advances, ultrasound remains dra...