1. Case 1 Zubair W. Baloch, MD, PhD

2. Case History 14-year-old girl presented with an enlarging 3.0 cm right thyroid mass. An FNA was performed which was interpreted as “papillary carcinoma”. She underwent total thyroidectomy.

3. FNA

7. Cytologic Diagnosis

8. Total Thyroidectomy

12. Histologic Diagnosis

13. Case 2 Zubair W. Baloch, MD, PhD

14. Case 2 40-year-old hypothyroid woman who is on thyroid replacement developed a 1.6 cm nodule which was partially cystic on ultrasound. An FNA was performed which was diagnosed as “Hashimoto’s thyroiditis”.

17. Cytologic Diagnosis

18. Due to clinical and ultrasound features a lobectomy was performed.

21. Histologic Diagnosis

22. Case 3 Zubair W. Baloch, MD, PhD

23. Case 3 60-year-old man with history of angio- invasive papillary carcinoma 60-year-old man with history of angio- invasive papillary carcinoma 8-months post-op presented with slightly elevated serum thyroglobulin 8-months post-op presented with slightly elevated serum thyroglobulin US showed a 0.6 cm para-tracheal lymph node US showed a 0.6 cm para-tracheal lymph node

24. US-Guided FNA

28. FNA Diagnosis