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CT scan of the neck with intravenous contrast. Cross section (also called an axial or transverse section) shows a nodule of the right lobe of the thyroid gland (arrowhead) surrounded by normal thyroid gland, which appears lighter gray in this image.

Note: Images are shown for illustrative purposes. Do not attempt to draw conclusions or make diagnoses by comparing these images to other medical images, particularly your own. Only qualified physicians should interpret images; the radiologist is the physician expert trained in medical imaging.