1. Which of the following are not found in angiolymphoid hyperplasia with eosinophilia

2. Images from a thyroidectomy are shown. Based on the morphology, what is the best diagnosis?

3. The images for this case come from a 5cm thyroid mass in a 50 y/o female. Based on the findings, what is the best diagnosis?

4. An invasive rapidly growing neck mass was identified in a 75 year old male. The mass was excised, and representative images are shown. IHC for thyroglobulin, chromogranin, and cytokeratins are negative. What is the most likely diagnosis?

5. A thyroid mass was found in a 40 year old female. A thyroidectomy was performed and representative images are shown. Which of the following is not likely to be positive in this tumor?

6. A patient is found to have a laryngeal mass represented by the image for this question. Based on the morphology and lack of PAS staining, which of the following is the best diagnosis:

7. A thyroid was removed from a 40 year old female. Grossly, the gland was black, and representative histologic images are shown. Based on the findings, what is the best diagnosis?