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. 2023 May 20:1–31. Online ahead of print. doi: 10.1007/s12022-023-09771-3

Fig. 20.

Fig. 20

Follicular epithelial dysplasia in Hashimoto thyroiditis. These follicles, embedded in a dense lymphocytic infiltrate, show irregular shape, nuclear crowding, irregular nuclear membrane with occasional grooving, and nuclear clarification. There are no signs of invasion, papillary growth, or nuclear pseudoinclusions