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*Lymphocytic infiltrate. | *Lymphocytic infiltrate. | ||
*Nuclear clearing common. | *Nuclear clearing common. | ||
**May confuse with papillary carcinoma. | **May confuse with [[papillary thyroid carcinoma]]. | ||
*Polymorphous lymphoplasmacytic infiltrate with germinal centres.<ref name=Ref_APBR672>{{Ref APBR|672}}</ref> | *Polymorphous lymphoplasmacytic infiltrate with germinal centres.<ref name=Ref_APBR672>{{Ref APBR|672}}</ref> | ||
*+/-Oncocytic metaplasia. | *+/-Oncocytic metaplasia. | ||
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Notes: | Notes: | ||
*Histologically often not possible to separate from "nonspecific" thyroiditis.<ref name=Ref_Sternberg4_560>{{Ref Sternberg4|560}}</ref> | *Histologically often not possible to separate from "nonspecific" thyroiditis.<ref name=Ref_Sternberg4_560>{{Ref Sternberg4|560}}</ref> | ||
DDx: | |||
*[[Lymphocytic thyroiditis]]. | |||
*[[Papillary thyroid carcinoma]]. | |||
==C cell hyperplasia== | ==C cell hyperplasia== |
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