Summary of histopathologic findings
| Patient No. | Tubules Involved by ATN, % | Level of Autolysis | Other Findings | Glomeruli (Total/Globally Sclerosed) | Glomerular Pathology | IFTA, % | AAS |
|---|---|---|---|---|---|---|---|
| 1 | <5 | Mild | Rare muddy casts | 19/1 | None | 10 | Moderate |
| 2 | 30 | Moderate | Oxalosis | 30/0 | None | 10 | Mild |
| 3 | 30 | Mild | None | 39/8 | None | 15 | Moderate |
| 4 | 50 | None | Focal THP in interstitium | 22/2 | Mild hypoperfusion | 20 | Severe |
| 5 | 10 | Moderate | Rare muddy casts | 30/0 | None | 5 | None |
| 6 | 50 | None | Mild AIN, focal THP in interstitium | 17/2 | Mild ME | 10 | Severe |
| 7 | 50 | Moderate | Focal brown pigment: negative Fe stain | 16/4 | Early nodular GS | 25 | Severe |
| 8 | 10 | Moderate | Focal brown pigment: negative Fe stain | 38/8 | None | 15 | Severe |
| 9 | 30 | Moderate | None | 33/3 | None | 10 | Moderate |
| 10 | <5 | Mild | Rare tubules with PRG | 33/1 | None | 5 | Moderate |
| 11 | <5 | Moderate | None | 18/0 | GH, mild ME | 5 | Moderate |
| 12 | 10 | Moderate | Muddy casts | 39/8 | None | 15 | Moderate |
ATN, acute tubular necrosis; IFTA, interstitial fibrosis and tubular atrophy; AAS, arterial and arteriolar sclerosis; THP, Tamm–Horsfall protein; AIN, acute interstitial nephritis; ME, mesangial expansion; Fe, iron; GS, glomerulosclerosis; PRG, protein reabsorption granule; GH, glomerular hypertrophy.