An ultrasound of the thyroid produces pictures of the thyroid gland and the adjacent structures in the neck. The red and blue indicates movement of blood through vessels. Transverse Color Doppler Sonogram Of A Nodule In The Right Thyroid Lobe Download Scientific Diagram Transmit ultrasound, it must be coupled to the skin with a liquid medium or a gel. What are the colors on thyroid ultrasound . In addition you will have swelling on the right side only. Then go to the right neck and take sagittal images in middle of the right thyroid lobe, lateral. Dark spots could represent thyroid nodules or growths. Document any parathyroid glands if seen and measure in 3 dimensions. It is generally normal unless there is too much color, which would have been mentioned in the report. The color green indicates the median stiffness. Doctors apply a gel, which allows the sound waves from the ultrasound probe to get through the skin. (2000) color flow doppler sonography of the thyro...