1. Normal Thyroid Levels
1.1. Thyroid Sonogram
1.1.1. No Nodule(s)
1.1.1.1. YAY!
1.1.2. Solitary Thyroid Nodule
1.1.2.1. Fine Needle Aspiration (FNA)
1.1.2.1.1. Nondiagnostic = Not enough cells seen
1.1.2.1.2. Benign = Cells look benign. There is still 2-3% chance of cancer despite this result.
1.1.2.1.3. Indeterminant = Cells look same when benign or cancerous (only 15-30% chance of cancer). This is also written as FLUS or Follicular Neoplasm of Undetermined Significan and AUS or Atypia of Undetermined Signficance
1.1.2.1.4. Suspicious for malignancy = Cells look like they may be cancerous (`85% chance of cancer)
1.1.2.1.5. Malignant
1.1.3. Multiple Nodules = Multinodular Goiter
1.1.3.1. Fine Needle Aspiration (FNA)
1.1.3.1.1. Nondiagnostic = Not enough cells seen
1.1.3.1.2. Benign = Cells look benign. There is still 2-3% chance of cancer despite this result.
1.1.3.1.3. Indeterminant = Cells look same when benign or cancerous (only 15-30% chance of cancer). This is also written as FLUS or Follicular Neoplasm of Undetermined Significan and AUS or Atypia of Undetermined Signficance
1.1.3.1.4. Suspicious for malignancy = Cells look like they may be cancerous (`85% chance of cancer)
1.1.3.1.5. Malignant
2. High Thyroid Levels
2.1. Thyroid scan
2.1.1. No Thyroid Nodules
2.1.1.1. Diffuse Hyperthyroidism
2.1.1.1.1. Treatment
2.1.1.2. Graves Disease
2.1.1.2.1. Treatment
2.1.2. Thyroid Nodule(s)
2.1.2.1. Diffuse Hyperthyroidism
2.1.2.1.1. Treatment
2.1.2.2. Graves Disease
2.1.2.2.1. Treatment
2.1.2.3. Solitary Hyperfunctioning "Hot" Nodule
2.1.2.3.1. Consider Fine Needle Aspiration (See other section for results other than benign which would be expected)
3. DISCLAIMER: This mind map is meant for educational purposes and not intended to be a substitute for professional medical advice. Always talk to your physician before making medical decisions.
4. Low Thyroid Levels
4.1. Positive Thyroid Peroxidase (TPO) Antibodies
4.1.1. Hashimoto's Thyroiditis (AKA Lymphocytic Thyroiditis
4.1.1.1. Endocrinologist for Thyroid Replacement
4.1.1.2. Thyroid Sonogram
4.1.1.2.1. No Nodule(s)
4.1.1.2.2. Solitary Thyroid Nodule
4.1.1.2.3. Multiple Nodules = Multinodular Goiter
4.2. Negative Thyroid Peroxidase (TPO) Antibodies
4.2.1. General Hypothyroidism
4.2.1.1. Endocrinologist for Thyroid Replacement
4.2.1.2. Thyroid Sonogram
4.2.1.2.1. No Nodule(s)
4.2.1.2.2. Solitary Thyroid Nodule
4.2.1.2.3. Multiple Nodules = Multinodular Goiter