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Figure 4: (H and E, ×200) pathological changes of irreversible electroporation ablation in the kidney: (a) Pathological comparison; (b) 2 h after ablation; (c) 2 days after ablation; (d) 7 days after ablation; (e) 14 days after ablation. After irreversible electroporation ablation, bleeding was observed, but relatively complete renal morphology was preserved. The glomeruli in the ablation area were intact. Slight edema in blood vessels and no structural damage was observed. At 2 h, 2 days, and 7 days after ablation, extensive cell death was observed in the ablated area, however normal renal tissue structure was preserved. Between 2 and 7 days after ablation, a large number of neutrophils and eosinophils had infiltrated the ablated area. The structure of larger vessels and renal tubules in the ablated area were preserved, but mild vasculitis, multifocal endothelial dysfunction, edema, myometrial separation, and neutrophil infiltration were observed

Figure 4: (H and E, ×200) pathological changes of irreversible electroporation ablation in the kidney: (a) Pathological comparison; (b) 2 h after ablation; (c) 2 days after ablation; (d) 7 days after ablation; (e) 14 days after ablation. After irreversible electroporation ablation, bleeding was observed, but relatively complete renal morphology was preserved. The glomeruli in the ablation area were intact. Slight edema in blood vessels and no structural damage was observed. At 2 h, 2 days, and 7 days after ablation, extensive cell death was observed in the ablated area, however normal renal tissue structure was preserved. Between 2 and 7 days after ablation, a large number of neutrophils and eosinophils had infiltrated the ablated area. The structure of larger vessels and renal tubules in the ablated area were preserved, but mild vasculitis, multifocal endothelial dysfunction, edema, myometrial separation, and neutrophil infiltration were observed