Table 3.
Microscopy findings
| Variables | n = 27 |
|---|---|
| Histologic features | |
| No. of glomeruli (mean ± SD (range)) | 15 ± 9 (3–46) |
| Globally sclerotic glomeruli (mean ± SD (range)) | 2 ± 2 (0–8) |
| Mesangial hypercellularity (n (%)) | 24 (88.9) |
| Endocapillary proliferation (n (%)) | 24 (88.9) |
| Segmental (n (%))/Global (n (%)) | 9 (33.3)/15 (55.6) |
| Focal (n (%))/Diffuse (n (%)) | 10 (37.0)/14 (51.9) |
| Exudative endocapillary proliferation (n (%)) | 22 (81.4) |
| < 5 neutrophils per glomerulus (n (%))/≥5 neutrophils per glomerulus (n (%)) | 15 (55.5)/7 (25.9) |
| Membranoproliferative pattern (n (%)) | 9 (33.3) |
| Crescentic proliferation (n (%)) | 10 (37.0) |
| Cellular (n(%))/Fibrocellular (n(%))/Fibrous (n(%)) | 7 (25.9%)/5 (18.5%)/0 |
| Fibrinoid necrosis (n (%)) | 3 (11.1) |
| Deposits (n (%)) | 16 (59.2) |
| Subepithelial humps (n (%))/Intramembranous (n (%)) | 13 (48.1)/3 (11.1) |
| Interstitial fibrosis and tubular atrophy (n (%)) | 23 (85.1) |
| Mild (n (%))/Moderate (n (%))/Severe (n (%)) | 12 (44.4)/5 (18.5)/6 (22.2) |
| Interstitial inflammation (n (%)) | 21 (77.8) |
| Mild (n (%))/Moderate (n (%))/Severe (n (%)) | 16 (59.3)/5 (18.5)/0 |
| Acute tubular injury (n (%)) | 23 (85.1) |
| Mild (n (%))/Moderate (n (%))/Severe (n (%)) | 8 (29.6)/8 (29.6)/7 (25.9) |
| Red blood cells casts (n (%)) | 18 (66.7) |
| Arteriosclerosis (n (%)) | 24 (88.9) |
| Mild (n (%))/Moderate (n (%))/Severe (n (%)) | 4 (14.8)/16 (59.3)/4 (14.8) |
| Histologic pattern | |
| Acute (n (%)) | 7 (25.9) |
| Subacute (n (%)) | 17 (63.0) |
| Resolving (n (%)) | 3 (11.1) |
Abbreviations: SD standard deviation