Table 3.

Morphologic descriptors with limited or unclear prognostic value that could be reported for completeness on the basis of current clinical practices

Renal Compartment		Individual Descriptor or Category	Suggested Metric
Overall assessment for disease category		FSGS versus MCD	FSGS or MCD or MCD-like
Histology	Tubulointerstitial	Interstitial edema	Present/absent
		Interstitial eosinophils	Present/absent
	Vascular	Arteriosclerosis	0, none 1+, mild 2+, moderate 3+, severe
		Arteriolar hyalinosis	0, none 1+, mild 2+, moderate 3+, severe
EM	Glomerular	Foot process effacement	0, 0%–10% 1+, 11%–25% 2+, 26%–50% 3+, 51%–75% 4+, >75%
		Podocyte detachment with newly formed matrix	Present/absent
		Condensation of the actin-based cytoskeleton	0, 0 (none) 1+, ≤50% (focal) 2+, >50% (diffuse)
		Electron densities/hyaline material	Present/absent