Cytologically Yours: Unknowns: 201311: Case 5
69 year old female with 1.2cm thyroid nodule.
- Follicular neoplasm (Hurthle cell type).
- Pure Hurthle cell population
- Prominent nucleolus
- Pseudopsammoma bodies (Basophlic structures thought to be colloid, with concentric lamellae)
- Shows either small cell dysplasia (smaller cells with high N/C ratio) or large cell dysplasia (large cells with at least 2x variability in nuclear size)
- No lymphocytes