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

Fig. 19.

Fig. 19

Hashimoto thyroiditis. The thyroid parenchyma is overrun by dense lymphocytic infiltration, with activated lymphoid follicles, inducing reactive changes in thyroid follicular cells, that frequently undergo oncocytic change (inset)