Table 1.

Histological diagnosis of the case according to Banff lesion score.

Banff lesion	Abbreviation	Score	Description
Interstitial inflammation	i	2	26%–50%
Tubulitis	t	2	5–10/tubular cross section
Intimal arteritis	v	0	None
Glomerulitis	g	0	None
Peritubular capillaritis	ptc	2	≥1 leukocyte in ≥10% of ptcs with max. of 5–10/ptc
Complement 4d	C4d	0	None
Interstitial fibrosis	ci	2	26%–50%
Tubular atrophy	ct	2	26%–50%
Vascular fibrosis Intimal thickening	cv	0	None
GBM double contours	cg	0	None
Mesangial matrix expansion	mm	0	None
Arteriolar hyalinosis	ah	0	None
Hyaline arteriolar thickening	aah	0	None
Total inflammation	ti	2	26%–50%
Inflammation in the area of interstitial fibrosis and tubular atrophy	i-IFTA	3	>50%