| - In part, regular thyroid gland tissue exhibiting signs of increased stimulation. Adjacent parenchyma destroyed and partially scarred.
- A chronic inflammatory infiltrate is observed consisting of lymphocytes, plasma cells and histiocytes. The follicular epithelium is destroyed by invading lymphocytes.
- Formation of foreign body giant cell granulomas around colloid material. Some multinucleated giant cells contain ingested colloid material.
- Stromal fibrosis. |
