403 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Henoch-SchonIein Purpura Anti-GBM ... to Kidney: Anti-GBM ... involvement: Anti-GBM
Kidney Biopsy - Diagnosis Algorithms
1) Normal Glomerulus by LM
2) Glomerular Crescents
3) Double Contours of GBM
4) Endocapillary
Double Contours of GBM
Spectrum of Glomerular Diseases
Nephrotic - Mechanism:
 • Injury to podocytes
 • Changed architecture: Scanning. Deposition of
• Breaks in GBM
Approach to managing Glomerulonephritis (GN) in children. 

ANCA, antineutrophil cytoplasmic antibodies; c-ANCA, cytoplasmic antineutrophil cytoplasmic antibodies;
cytoplasmic antibodies; GBM
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Vasculitis - Anti-GBM ... Positive (ANCA + anti-GBM
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
Basement Membrane (GBM ... Linear, ribbon-like GBM
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Strauss) Anti-GBM
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
GBM, Glomerular
Stage III Glomerulonephritis on Electron Microscopy
This image shows acellular scanning EM from a biopsy with membranous
more extensive GBM ... surface of reticular GBM ... #MGN #stage3 #GBM
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
nephropathy • Thin GBM ... ) • Anti-GBM