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. 2022 Apr 2;22:154. doi: 10.1186/s12886-022-02378-y

Fig. 8.

Fig. 8

The pathological characteristics of elbow mass. A The gross view of pathological sections. In the cortical region, hyperplasia of numerous lymphoid follicles with active germinal centers (× 20); B Magnification of the marked region with the rectangle in (A). Strong eosinophilic infiltration in the interfollicular area, accompanied by postcapillary venule proliferation with intermingled fibrotic changes. (× 100); C Magnification of the marked region with the rectangle in (B). Eosinophilic microabscesses (× 400)