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Tests and diagnosis

By Mayo Clinic staff

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Illustration of needle biopsy of thyroid cancer Needle biopsy

Living With Cancer

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Tests and procedures used to diagnose thyroid cancer include:

  • A physical exam to feel your neck for thyroid lumps and lymph node swelling
  • Blood tests, including a test to measure the level of thyroid-stimulating hormone (TSH) in your body
  • Imaging tests, such as ultrasound of the neck to help determine the nature of the nodule and to look for enlarged lymph nodes
  • Ultrasound-guided needle biopsy to remove cells from your thyroid and examine them using a microscope to look for cancer
Treatments and drugs Preparing for your appointment

  • See Also

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References
  1. Lal G, et al. Thyroid cancer. In: Abeloff MD, et al. Abeloff's Clinical Oncology. 4th ed. Philadelphia, Pa.: Churchill Livingstone Elsevier; 2008. http://www.mdconsult.com/das/book/body/208746819-4/0/1709/0.html. Accessed Feb. 26, 2011.
  2. Thyroid carcinoma. In: Ferri FF. Ferri's Clinical Advisor 2011: Instant Diagnosis and Treatment. Philadelphia, Pa.: Mosby Elsevier; 2011. http://www.mdconsult.com/books/about.do?eid=4-u1.0-B978-0-323-05610-6..C2009-0-38600-6--TOP&isbn=978-0-323-05610-6&about=true&uniqId=230100505-53. Accessed Feb. 26, 2011.
  3. Thyroid cancer: Detailed guide. American Cancer Society. http://www.cancer.org/Cancer/ThyroidCancer/DetailedGuide/index. Accessed Feb. 26, 2011.
  4. Prinz RA, et al. Thyroid cancer. In: Bope ET, et al. Conn's Current Therapy 2011. Philadelphia, Pa.: Saunders Elsevier; 2010. http://www.mdconsult.com/books/about.do?eid=4-u1.0-B978-1-4377-0986-5..C2009-0-38984-9--TOP&isbn=978-1-4377-0986-5&about=true&uniqId=236797353-5. Accessed Feb. 26, 2011.
  5. Consideration of potassium iodide in emergency planning. United States Nuclear Regulatory Commission. http://www.nrc.gov/about-nrc/emerg-preparedness/about-emerg-preparedness/potassium-iodide.html. Accessed Feb. 26, 2011.
  6. Nuclear power plant emergency preparedness. Federal Emergency Management Agency. http://www.nukepills.com/docs/FEMA_Nuclear_Power_Plant_Emergency.pdf. Accessed Feb. 26, 2011.
  7. Tuttle RM. Overview of the management of differentiated thyroid cancer. http://www.uptodate.com/home/index.html. Accessed Feb. 26, 2011.
  8. Nippoldt TB (expert opinion). Mayo Clinic, Rochester, Minn. March 3, 2011.
DS00492 April 2, 2011

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