NCCN Guidelines for Patients
Thyroid Cancer, Version 1.2017
Before doing an FNA, things are considered like the
size of the nodule, location, and features
nodule features and your health history may alert
a doctor to do more testing. You may not have an
FNA for larger nodules in some cases. For example,
nodules larger than 4 cm may involve surgery to
remove a lobe of the thyroid or the whole thyroid.
See Part 4 for more information on surgery.
Two basic tools of diagnosis are when your
doctor takes your medical history and does an
exam of your body.
Blood tests give the doctor information to plan
the next steps for other testing or treatment.
Imaging tests are used to take pictures
(images) of the inside of your body.
Tissue or fluid must be removed from your
body and tested to diagnose cancer. A biopsy
removes samples of fluid or tissue.
FNA is the recommended form of biopsy to
assess abnormal thyroid nodules.
TSH controls the hormones made by the thyroid
and may be normal or abnormal for thyroid