Characterization and Etiopathogenic Approach of Pediatric Renal Biopsy Patients in a Colombian Medical Center from 2007-2017

Table 4

Distribution of histopathological findings.

Histopathological findings	n ()
1. Glomerulonephritis (GN)	106 (44)
1.1 Immune-complex GN	96 (39.8)
LN	48 (19.9)
IgA Nephropathy	35 (14.5)
MPGN Immunoglobulin positive	8 (3.3)
Post infectious acute GN	5 (2)
1.2 Complement Mediated GN	9 (3.7)
aHUS	4 (1.6)
C3GN	3 (1.2)
DDD	2 (0.8)
1.3 Pauci-immune GN	1 (0.41)
MPO-ANCA GN	1 (0.41)
2. Podocytopathy	81 (33.6)
2.1 Primary NS	81 (33.6)
MCD	47 (19.5)
FSGS	28 (11.6)
MN	6 (2.48)
3. Basement membrane disease	13 (5.3)
3.1 Inherited diseases of the glomerular basement membrane
TMB	13 (5.3)
4. Tubulointerstitial disease	14 (5.8)
Acute TIN	14 (5.8)
5. Others	27 (11.2)
Nonspecific findings	18 (7.4)
Normal	4 (1.6)
End Stage kidney	5 (2)

LN: lupus nephritis; MPGN: membranoproliferative glomerulonephritis; aHUS: atypical hemolytic uremic syndrome; C3GN: C3 glomerulonephritis; DDD: dense deposit disease; MPO: myeloperoxidase; ANCA: anti-neutrophil cytoplasmic antibodies; NS: nephrotic syndrome; MCD: minimal change disease; FSGS: focal segmental glomerulosclerosis; MN: membranous nephropathy; TMB: thin membrane disease; TIN: tubulointerstitial nephritis.