Papillary Thyroid Cancer in a Child with Progressive Transformation of Germinal Centers

Figure 2

PTGC microscopic examination. (a) PTGC, markedly enlarged lymphoid follicle infiltrated by small mature mantle zone lymphocytes with gradual replacement of germinal center (H&E, 4x). (b) Background of florid follicular lymphoid hyperplasia (H&E, 2x). (c) PTGC, germinal center replaced by small mature mantle zone lymphocytes (H&E, 20x). (d) Reactive germinal center with numerous tingle body macrophages (H&E, 20x).

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