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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©