How do I know if the thyroid cancer has spread?

Blood test, nuc scan. Blood tests for thyroglobulin(tg) are very sensitive for persistent thyroid cancer. Tg is only found in active thyroid cells, and after surgery and rai ablation, there should not be any cells or tg left. Blood tests for tg can show if thyroid cancer is still present, and nuclear scans with a diagnostic or therapeutic dose of radioactive iodine can show where thyroid cancer is still present.

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How do I like she confirm thyroid cancer cancer not spread (staging info) before surgery? Http://www. Bbc. Co.Uk/news/world-latin-america-16342

Staging. Staging typically involves the use of imaging and surgery. We use the tools of physical exam, ct scans, mri's, bone scans, and now pet scans to determine if a cancer has spread beyond the originating organ. During surgery, lymph nodes are often dissected out and put under a microscope to see if tumor cells have moved into them, a sign that a cancer has metastasized. Read more...
Ultrasound. An ultrasound is usually the best test. With an experienced tech and a radiologist or thyroid cancer specialist interpreting the images, an ultrasound can show whether the thyroid nodule extends to the edge of the thyroid or has a rim of normal thyroid tissue surrounding it, as well as whether there are suspicious appearing lymph nodes nearby. Read more...