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Table 4 Modified semiquantitative classification (according to ref. [30])

From: Different histological classifications for Henoch-Schönlein purpura nephritis: which one should be used?

Modified SQC Description Score
Glomerular changes
 Lobulation Active 0 - 1a
 Mesangial proliferation Active 0 - 1a
Crescents
 Cellular Active 0 - 3b
 Fibrous Chronic 0 - 3b
Adhesions Chronic 0 - 3b
Fibrinous thrombosis Active 0 - 3b
Global sclerosis Chronic 0 - 3b
Segmental sclerosis Chronic 0 - 2c
Tubular changes
 Thickening of the basement membrane Chronic 0 - 1a
 Complete atrophy Chronic 0 - 1a
 Tubular dilatation Active 0 - 1a
Interstitial changes
 Fibrosis Chronic 0 - 1a
 Inflammation OR periglomerular inflammation Chronic 0 - 1a
Capillary changes
 Arteriosclerosis OR arterial inflammation Chronic 0 - 1a
Focal or diffuse mesangial proliferation   0 for focal, 1 for diffuse
  1. a0 = absent; 1 = present
  2. b0 = 0% of glomeruli affected; 1 = 0–5% of glomeruli affected; 2 = 5–10% of glomeruli affected; 3= > 10% of glomeruli affected
  3. c0 = 0% of glomeruli affected; 1 = 0–5% of glomeruli affected; 2= > 5% of glomeruli affected
  4. Reproduced with permission from Springer Nature©