Preface; 1. Overview of Diagnostic Terminology and Reporting; 2. Normal Cytology, Extra-thyroidal Contaminants, Nondiagnostic Aspirates; 3. Radiologic Characteristics of Thyroid Disease; 4. Benign (Non-neoplastic Nodules, Thyroid Cysts); 5. Atypia of Undetermined Significance / Follicular Lesion of Undetermined Significance; 6. Follicular Neoplasms / Suspicious for a Follicular Neoplasm; 7. Hurthle Cell Neoplasm / Suspicious for a Hurthle Cell Neoplasm; 8. Suspicious for Malignancy; 9. Papillary Thyroid Carcinoma and Variants; 10. Medullary Thyroid Carcinoma; 11. Poorly Differentiated Thyroid Carcinoma; 12. Undifferentiated (Anaplastic) Carcinoma; 13. Rare Primary Carcinoma and Mesenchymal Neoplasms; 14. Metastatic and Secondary Cancers