The most important diagnostic test to differentiate thyroid nodules from each other is fine needle aspiration (FNA).
Toxic multinodular goiter other diagnostic studies
Toxic multinodular goiter other imaging findings
Thyroid adenoma other diagnostic studies
Medullary thyroid cancer other diagnostic studies
Silent thyroiditis other diagnostic studies
Thyroid adenoma other imaging findings
Riedel's thyroiditis other diagnostic studies
Anaplastic thyroid cancer other imaging findings