Figure 1: H and E stain: (a) Hashimoto thyroiditis showing reactive germinal centre beside atrophic thyroid follicles with interfollicular lymphoplasmacytic inflammatory infi ltrate (x400). (b) Hashimoto thyroidi&tis showing lymphoplasmacytic infiltrate with focal LELs (x400). (c) Effacement of thyroid architecture in Hashimoto thyroiditis by the lymphoplasmacytic infiltrate. Note residual thyroid follicles (arrows) x400). (d) Hurthle cell metaplasia of follicular epithelium in Hashimoto thyroiditis (x400). (e) Occasional LELs (arrows) in Hashimoto thyroiditis (x400)