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Activity and chronicity indices.
| Activity index | Chronicity index | |
|---|---|---|
| Glomerular abnormalities | Cellular proliferation | Glomerular sclerosis |
| Fibrinoid necrosis, karyorrhexis | Fibrous crescents | |
| Cellular crescents | ||
| Hyaline thrombi, wire loops | ||
| Leukocyte infiltration | ||
| Tubulointerstitial abnormalities | Mononuclear cell infiltrates | Interstitial fibrosis |
| Tubular atrophy |
