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. 2024 Oct 8;25(11):7298–7310. doi: 10.1021/acs.biomac.4c00984

Table 2. Foreign Body Reaction to an Implant Adapted from EN ISO 10993-6 Annex E58.

score
celltype/response 0 1 2 3 4
foreign body reaction          
macrophages 0 1–40/hpfa 40–80/hpfa heavy infiltrate, 80–180/hpfa packed, >180/hpfa
foreign body giant cells 0 1–2/hpfa 3–5/hpfa 5–10/hpfa sheets, >10/hpfa
a

Abbreviations: high-power (400×) field.