A normal thyroid scan would show no abnormalities in the size, shape, and location of the thyroid gland. Your thyroid will have an even green color on the image. Red spots on the image indicate ...

Axial images through the thyroid gland on A) a CT scan, B) a 18F-FDG PET scan and C) a fused 18F-FDG PET and CT scan. A heterogeneous thyroid (arrows) is located in a CT scan in panel. A.

A hypoechoic nodule is a type of thyroid nodule that appears dark on an ultrasound scan. In some cases, it may become cancerous. Learn more here.

Four-hour I-123 thyroid and SPECT CT scans. (A) Anteroposterior planar image of the neck and upper chest showing iodine uptake into a small heterogeneous thyroid gland (red arrows) that is ...

The image of your thyroid and any nodules, even those you can’t feel, will show up on a computer screen. An ultrasound may show your doctor if a lump is filled with fluid or if it’s solid.